Do You Support the Allowance of Women Into Combat Positions Essay Example for Free

Do You Support the Allowance of Women Into Combat Positions Essay Outgoing Defense Secretary Leon E. Panetta announced Thursday a lifting of the ban on female service members in combat roles, a watershed policy change that was informed by women’s valor in Iraq and Afghanistan and that removes the remaining barrier to a fully inclusive military, defense officials said. Panetta made the decision â€Å"upon the recommendation of the Joint Chiefs of Staff,† a senior defense official said Wednesday, an assertion that stunned female veteran activists who said they assumed that the brass was still uneasy about opening the most physically arduous positions to women. The Army and the Marines, which make up the bulk of the military’s ground combat force, will present plans to open most jobs to women by May 15. The Army, by far the largest fighting force, currently excludes women from nearly 25 percent of active-duty roles. A senior defense official said the Pentagon expects to open â€Å"many positions† to women this year; senior commanders will have until January 2016 to ask for exceptions. â€Å"The onus is going to be on them to justify why a woman can’t serve in a particular role,† said the official, who spoke on the condition of anonymity to discuss the plan before the official announcement. The decision comes after a decade of counterinsurgency missions in Iraq and Afghanistan, where women demonstrated hero ­ism on battlefields with no front lines. It dovetails with another seismic policy change in the military that has been implemented relatively smoothly: the repeal of the ban on openly gay service members. Lawmakers and female veterans applauded Wednesday’s news, saying the ban on women in combat roles is obsolete. â€Å"This is monumental,† said Anu Bhagwati, a former Marine captain and executive director of the Service Women’s Action Network, which has advocated for the full inclusion of women. â€Å"Every time equality is recognized and meritocracy is enforced, it helps everyone, and it will help professionalize the force.† Critics of opening combat positions to women have argued for years that integration during deployments could create a distracting, sexually charged atmosphere in the force and that women are unable to perform some of the more physically demanding jobs. Advocates and experts say women are unlikely to flock to those positions, such as roles in light infantry and tank units and Special Forces — although some may. More substantively, they say, lifting the ban will go a long way toward changing the culture of a male-dominated institution in which women have long complained about discrimination and a high incidence of sexual assault. Changes long sought Lawmakers and advocates have long pressed the Pentagon to create a more inclusive force, yielding incremental changes. The American Civil Liberties Union recently sued the Pentagon over its policy, calling it discriminatory. Last year, military officials opened numerous job categories to women after a study concluded that the Defense Department was ready for greater inclusion in combat units. That made it easier for women to be assigned, for example, to combat brigades as radio operators. It also gave commanders a sense of how a broader integration process could work, said an Army general who played a key role in last year’s effort to open new positions for women. â€Å"The average professional will say, ‘I’ve served with women at all levels, and based on my experience, women have done a phenomenal job,’ † said the officer, who spoke on the condition of anonymity because the change had not been formally announced. Ads by Google AMU Military UniversityChoose from 87 online degrees at American Military University. www.AMU.APUS.edu/AirForce The debate over the supposed pitfalls of women and men sharing close quarters has been rendered moot by the recent wars, he said, adding: â€Å"If you were having this debate in peacetime, it might be more emotional.† The fact that women have excelled in de facto front-line roles in Iraq and Afghanistan has proved such concerns unwarranted, Sen. Carl Levin (D-Mich.), the head of the Senate Armed Services Committee, said in an interview Wednesday afternoon. â€Å"The reality is that so many women have been, in effect, in combat or quasi-combat,† he said. â€Å"This is catching up with reality.† In a statement, Sen. James M. Inhofe (Okla.), the leading Republican on the Armed Services Committee, voiced a measure of concern, saying last year’s study raised â€Å"serious practical barriers† that, if ignored, could jeopardize the â€Å"safety and privacy† of service members. Sen. John McCain (R-Ariz.), another member of the panel, said he supports the decision, but he alluded to some of the thorny implementation issues that have yet to be addressed. â€Å"It is critical that we maintain the same high standards that have made the American military the most feared and admired fighting force in the world — particularly the rigorous physical standards for our elite special forces units,† he said in a statement.

Stereotypes prejudice Essay Example for Free

Stereotypes prejudice Essay Please complete the following exercises, remembering that you are in an academic setting and should remain unbiased, considerate, and professional when completing this worksheet. Part I Select three of the identity categories below and name or describe at least 3 related stereotypes for each: ?Race ?Ethnicity ?Religion ?Gender ?Sexual orientation ?Age ?Disability Category Stereotype 1 Stereotype 2 Stereotype 3 Disability People think disability is a sickness People think they are a mence to others and society Disabled people are different and are not fully human. Gender Female role of taking care of the kids Male role of being the breadwinner androgyny, which is the blending of feminine and masculine attributes in the same individual. Age Ageism Senile or Demented Unproductive and uncreative Part II Answer each question in 50 to 100 words related to those stereotypes. Provide citations for all the sources you use. ?What are the positive aspects of stereotypes, if any? Some aspects of stereotyping can be GOOD, BUT I HAVE YET TO SEE ANY THAT I WOULD CONSIDER GOOD. STEREOTYPING IS A WAY FOR US TO CATERGORIZE A PERSON OR GROUP INTO SOMETHING WE CAN NOT FEEL BAD FOR NOT LIKING. ?What are the negative aspects of stereotypes? Negative aspects of stereotyping play a big Copyright  © 2012 by University of Phoenix. All rights reserved. Stereotypes and Prejudice Worksheet ETH/125 Version 8 2 ROLE ON A PERSON. STEROTYPING PEOPLE IN A NEGATIVE MANNER HAS A LASTING DETRIMENTAL IMPACT ON THOSE WHO EXPERIENCE THE PREJUDICE. PEOPLE PERFORM POORLY IN SITUATIONS WHERE THEY FEEL THEY ARE BEING STEREOTYPED. Part III Answer each question in 50 to 150 words related to those stereotypes. Provide citations for all the sources you use. ?Define stereotypes and prejudice. What is the difference between stereotyping and prejudice? Use examples to illustrate the differences. ?A stereotype is a belief about a certain group of people. Prejudice is a feeling about a person based on their membership in a group. Both stereotypes and prejudice can be either positive or negative. Discrimination is an action that denies the rights of a person due to their membership in a group. ?What is the relationship between stereotyping and prejudice? Prejudice- ignorantly judging based on[stereotypes] pre conceptions. Pre- Judging someone before having the knowledge of who they are. Ex. I have a prejudice towards all teenaged mothers, because I assume they all slept around to get pregnant, because thats what my sister did. ( which doesnt make every ones situation the same. stereotypes- classifying groups of people based on race, gender, religion, creed, ethnicity, etc. Then believing all people who belong to that group are the same Ex: All homeless people arent educated. Iggnorance is what is the realtionship between the two of them. People being ignorant and making assumptions is found in both prejudice and sterotypes. ?What can be done to prevent prejudice from occurring? Here are some examples that I think would help with preventing prejudice. It may not stop it all together, but it would help the situations from being uncomfortable. . Celebrate holidays with extended family. Use such opportunities to encourage storytelling and share personal experiences across generations. Invite friends from backgrounds different from your own to experience the joy of your traditions and customs. Be mindful of your language; avoid stereotypical remarks and challenge those made by others. Speak out against jokes and slurs that target people or groups. Silence sends a message that you are in agreement. It is not enough to refuse to laugh. Copyright  © 2012 by University of Phoenix. All rights reserved. Stereotypes and Prejudice Worksheet ETH/125 Version 8 3 Copyright  © 2012 by University of Phoenix. All rights reserved.

Design a simple apnea detection system

Design a simple apnea detection system CHAPTER 1 1.1 INTRODUCTION AIM The aim of the project is to design a simple apnea detecting system with an alarm and to classify the type of apnea identified using LabVIEW. 1.1.1 Normal Respiratory Event: Respiration is the phenomenon of supplying oxygen to the tissues and removing the carbon dioxide from the tissues. External respiration is the process of exchange of gases between the lungs and atmosphere. Internal respiration is the process of gas exchange in the tissues. The balance between the absorption and excretion of these gases in blood are maintained as breathing activity. During inspiration the level of blood in oxygen increases and it decreases during exhalation. Chemoreceptors are the sensory receptors in the blood stream that senses the level of oxygen and carbon dioxide in blood ,and sends signals to the brain. Then the brain allows the opening of larynx and vocal cords, followed by the expansion of ribcage and diaphragm muscles. The chest cavity enlarges to allow the inflow of oxygen into the lungs thus resulting in inhalation process. Similarly the chest cavity occludes during the process of exhalation and expels the carbon dioxide from lungs. More of oxygen inflow re sults in maximum tidal volume and a normal respiratory flow. Fig 1.1 shows the normal respiratory signal with respiration rate of 12 breaths per minute. 1.1.2 Applications Sleep analysis Polygraphy Pulmonary function Stress test Sports Sudden Infant Death Syndrome (SIDS) 1.1.3 Respiration Signal Specifications Amplitude 2-200mV Frequency waveform-0 150Hz Repetition frequency- 20 cycles per minute (adults) 100 cycles per minute (neonates) 1.1.4 Respiratory Measurements Respiration rate Tidal volume Apneas Obstructive apnea Central apnea Hypopnea Tachypnea Bradypnea Apnea index Also several correlations between EEG, REM sleep, apneas, quiet sleep, non-quiet sleep and de-saturations. 1.2 APNEA AND ITS TYPES Apnea is the cessation of breathing during sleep which may precede the arrest of the heart and circulation in several clinical situations such as head injury, drug overdose, anesthetic complications and obstructive respiratory diseases. Apnea may also occur in premature babies during the first weeks of life because of their immature nervous system. If apnea persists for a prolonged period, brain function can be severely damaged. Therefore, patients suffering from apnea require close and constant observation of their respiratory activity. Apnea monitors are particularly useful for monitoring the respiratory activity of premature infants. There are three types of sleep apnea. They are Obstructive apnea Central sleep apnea Mixed or complex sleep apnea 1.2.1 Obstructive Sleep Apnea Individuals with obesity due to low muscle tone and soft tissue around the airway give rise to a narrowed airway ,so they are at high risk of obstructive sleep apnea. The elderly people are more likely to suffer from OSA than young people because of their food habits, smoking and alcoholic life style. Men are more typical sleep apnea sufferers when compared to women and children.The risk of OSA rises with increasing body weight, age, high cholesterol, sinus problems, and in addition, patients with diabetes have up to three times the risk of having OSA compared to others. Loudsnoring, restless sleep, and sleepiness during the daytime are some of the common symptoms of OSA. Diagnostic tests include homeoximetryorpolysomnographyin a sleep clinic. Treatment includes CPAP apparatus that gives continuous positive airway pressure in order to expand their narrowed nasal pathway 1.2.2 Central Sleep Apnea When the brains respiratory control centers are imbalanced during sleep, it results in pure central sleep apnea ,also called as Cheyne-Stokes respiration. In this type of apnea the brain pauses to trigger the respiratory activity for about 30 seconds and triggers when it realizes that the patient suffocates for oxygen. The sleeper do not breathe for a certain period, during which there are no chest movements and no effort by the patient. Brain does not react immediately with a neurological feedback to make the respiratory rate even. There is a swing between apnea and hyperpnea in order to compensate the need for oxygen. After an apnea episode the hypoxia condition is reduced by breathing faster and absorbing more oxygen. Central sleep apnea may be due to hypertension, excess stress,and neuronal damage.In most of the cases CSA is treated with medications while some need surgery. Fig.1.3 shows Central Sleep Apnea. 1.2.3 Mixed Sleep Apnea Mixed sleep apnea is a combination of obstructive and central sleep apnea . It is also called as complex sleep apnea.When obstructive sleep apnea syndrome is severe and longstanding, some episodes of central apnea develop during the course of sleep. Though the exact mechanism of the loss of central respiratory drive during sleep in OSA is unknown it is most commonly related to acid-base and CO2feedback malfunctions originating fromheart failure. Complex sleep apnea has been described by researchers as a different dimension of sleep apnea. Patients with complex sleep apnea when treated with positive airway pressure for OSA was observed to exhibit persistent central sleep apnea. In sleep-disordered breathing there is a collection of diseases and symptoms relating to body mass, cardiovascular, respiratory, and occasionally, neurological dysfunction that have a synergistic effect. 1.2.4 Hypopnea Hypopnea refers to a transient reduction of airflow (often while asleep) that lasts for at least 10 seconds, shallow breathing, or an abnormally low respiratory rate. Breathing that is shallower or slower than normal. Hypopnea is distinct from apnea in which there is no breathing. Hypopnea comes from the Greek roots hypo- (meaning low, under, beneath, down, below normal) and pnoe (meaning breathing). Hypopnea is less severe than apnea (which is a more complete loss of airflow). It may likewise result in a decreased amount of air movement into the lungs and can cause oxygen levels in the blood to drop. It more commonly is due to partial obstruction of the upper airway 1.2.5 Tachypnea Tachypnea means elevated respiratory rate. In some situations, this might be usual, for example when climbing a flight of stairs. In disease it is indicative of problems with oxygenation. It occurs when the patient is breathing really hard to compensate for the higher than usual PCO2. When the patient is tachypneic it is important to sit him up in bed. In tachypnea the tidal volume is decreased, the minute volume may be the same because the respiratory rate is increased. Decreased tidal volume will have bad consequences for the patient because a lot of energy is being spent on moving dead air space which does not help oxygenate the interior of lungs where gas exchange takes place. 1.2.6 Bradypnea This is a slow respiratory rate which is seen in the post anesthetic or sedated patient. Bradypnea is also seen in patients who have taken overdoses of barbiturates and/or hypnotics. Bradypnea with a respiratory rate of more than ten breaths may correct itself as the patient recovers from the anaesthetic gases. Sometimes, in bradypnea, the patient compensates by increasing the tidal volume thereby the blood gases and oxygen saturation remain stable.Fig 1.6 shows bradypnea with respiratory rate 8b/min. 1.3 IMPEDANCE PNEUMOGRAPHY Impedance pneumography is another practical method to monitor the breathing of the patient. The technique also enables the simultaneous monitoring of the heart rate and respiration. This has certain inherent disadvantages. One is that the placement of the electrodes is very critical and other is cardiovascular artifact. This results from the detection of movement between the electrodes because of the cardiovascular system, rather than due to respiration. Apnea monitors need to be designed to reject this artifact. The principle of impedance pneumography is to pass a current through the chest between two electrodes, and from the resultant voltage to determine the changes in chest impedance which occur during respiration. It has been proposed that the impedance change occurring in respiration is directly proportional to the change in volume of air contained in the thorax, and therefore reflects tidal volume. The technique works by applying a current of approximately 10 microamperes to 1milliamperes with a frequency of 30-100 kHz to the thorax. This frequency is high enough to avoid stimulation of tissues, electrode polarization and excessively high skin impedance. The electrodes are always maintained with negligible potential difference which makes it possible to measure the impedance of a central core of thoracic tissue.Thus these impedance changes are obtained as thoracic changes that gives details about respiration.Fig 1.7 shows the block diagram Of impedance pneumography technique. 1.4 LABVIEW AND ITS APPLICATIONS LabVIEW Laboratory Virtual Instrumentation Engineering Workbench.LabVIEW is a graphical programming environment used by millions of engineers and scientists to develop sophisticated measurement, test, and control systems using intuitive graphical icons and wires that resemble a flowchart. Biomedical Application: Multisim Simulation with anECGAmplifier Noninvasive Blood Pressure (NIBP) Analyzer Analog ECGGenerator Heart Rate Variability (HRV) Analyzer ECG Feature Extractor Online Biosignal Noise Reduction Data Logger Biosignal Logger OBJECTIVES To collect the respiratory database To study the apnea characteristics To detect and classify apnea To achieve maximum accuracy To design a respiratory signal simulation system CHAPTER 2 LITERATURE SURVEY 2.1 RESPIRATION DATA ACQUISITION, CONVERSION AND DISPLAY SYSTEM 2.1.1 Methodology Respiration data is acquired and converted into a series of pulses, the frequency of which is related to the respiration rate of the data measured . The output pulses switch a timing device on and â€Å"off †, and the average time of a respiration cycle is then converted and displayed as respiration rate. The timing device includes a means for delaying a first output pulses before beginning the sampling period and registering a count of clock pulses for a specified number which represents the time period of a second specified number of the output pulses occurring subsequently to the first specified number of output pulses. 2.1.2 Conclusion This invention relates to an acquisition unit for acquiring data relating to one or more physiological variables from a patient. Displaying the data digitally and, upon operator approval, recording the data in an internal memory. Further, the invention relates to a data storage system responsive to data stored in an acquisition unit for a display presentation. 2.2 METHOD AND APPARATUS FOR DETERMINING A RESPIRATIONPARAMETER IN A MEDICAL DEVICE Shrivastav, Maneesh, Cho, Yong K., Bennett, Tommy D., Erickson, Mark K., Greenhut, Saul E., Kleckner, Karen J., Sperling, Charles P., Corey, Robert A. 2.2.1 Methodology A pressure sensor senses pressure signals, and a signal processor, coupled to the pressure sensor, receives the sensed pressure signaland generates corresponding sample points. A microprocessor continuously adjusts a breath detection threshold in response to the generated sample points to generate a current adjusted breath detection threshold. Then it compares a current generated sample point to the current adjusted breath detection threshold, suspends the continuous adjusting of the breath detection threshold. Then the microcontroller sets the breath detection threshold equal to the most current adjusted breath detection threshold generated prior to the suspending, and determines the respirationparameter in response to a comparing of a next generated sample point to the set breath detection threshold. 2.2.2 Conclusion This invention relates to a method of acquisition of respiratory signal using pressure sensor and displays that respiration parameter using a microcontroller. 2.3 METHOD AND APPARATUS FOR MONITORING RESPIRATION Rymut, Russell, Slotty, Eric, Kini, Narendra 2.3.1 Methodology The apparatus includes a piezoelectric film which converts acoustical waves generated by the patients respiration activity into electrical signal output. The piezoelectric film sensor placed in the subject can be used to monitor the respiration of a patient by correlating the sound generated in the patients airway with respiratory activity. Further, the data generated by the sensor may be further analyzed by a patient monitor to diagnose respiratory conditions and display it. 2.3.2 Conclusion This invention relates to a method and apparatus for monitoring and quantitatively measuring the respiration of a patient , particularly, using a flexible piezoelectric film sensor. 2.4 APNEA MONITOR Guixian Lu 2.4.1 Methodology 1. A conductive rubber string is used to measure the chest volume changes. It is not suitable for OSA. In that case a differential gas flow sensor is used. The output of the sensors is amplified and then fed to a re-shaper. 3.The re-shaper re-shapes the signal and generates pulses to trigger the counter. 4.The counter triggers the alarm circuit if the count exceeds a predetermined threshold. 2.4.2 Conclusion For adults one rubber string is enough. But for infants, the frequency of the body movement is measured. So an additional rubber string with motion detector is needed. The gas flow sensor is reliable and sensitive. A buzzer is used to give alarm. 2.5 DESIGN AND IMPLEMENTATION OF A PROGRAMMABLE APNEA MONITORING SYSTEM Mustafa ÇavuÅŸoÄŸlu, Osman EroÄŸul , Ziya Telatar 2.5.1 Methodology Respiratory signal is perceived by a thermal sensor. The signal is amplified and then fed to the microcontroller. The output of microcontroller is transferred to the computer and the relation between ECG and the signal is evaluated. An alarm system is also provided to indicate apnea 2.5.2 Conclusion The system is capable of detecting apnea, warns during the apnea and transfers the respiration signals to the computer. Finally,categorization of the apnea intervals is done to generate a real-time histogram of their frequency and duration which makes possible to investigate the relations between the EEG, ECG or other physiological signals and the respiratory patterns. 2.6 APNEA ALARM SYSTEMS 2.6.1 Methodology A crib or bed with piezo electric or strain gauge transducer attached to each leg is used to acquire the movement of infants. Whenever the infant is breathing there is a variation in the force distibution in the foam mat, so the vertical force applied on the frame of the crib also varies,which is captured by the sensors attached to the leg of the crib. These sensors convert the force into an electrical output signal and gives it to a summing amplifier to provide a summed output signal from all four legs. The summed output is given to a microcontroller where it is compared with the patients physical parameters to give an alarm if there is apnea detected using a buzzer or flashing light. 2.6.2 Conclusion This apparatus helps to detect apnea in infants who can be monitored even at home instead of hospitals.This alarm system is more comfortable to babies as it does not attach any sensor to infant s body.Mainly used to detect death due to apnea (‘crib death or ‘cot death ) very common in premature infants. 2.7 APNEA MONITOR DATA SYSTEM 2.7.1 Methodology An apnea monitoring system along with a portable data storage cartridge is presented. Respiration is monitored through the electrodes located on the thoracic cavity of the patient. Detected events are compared with respiration rates and when it is exceeded the signal is transmitted to audio and visual alarms indicating apnea. In addition to that a poratable data storage cartridge is provided which has enough memory to store all monitored events and waveforms that can be transferred to computer. 2.7.2 Conclusion This invention not only helps to monitor also contains a portable cartridge,that can be easily carried or mailed,which makes it time efficient and cost efficient method to store data.Another advantage is that the cartridge is replaceable,which provides an unlimited amount of memory space that helps in transfer of data. 2.8 A MODEL ANALYSIS OF ARTERIAL OXYGEN DESATURATION DURING APNEA IN PRETERM INFANTS Scott A. Sands, Bradley A. Edwards, Vanessa J. Kelly, Malcolm R. Davidson, Malcolm H. Wilkinson, Philip J. Berge 2.8.1 Methodology Independent influence of clinically relevant cardiorespiratory fators on the desaturation of arterial oxygen during apnea is determined using a two-compartmental lung-body mathematical model which incorporated realistic oxygen stores and gas exchange dynamic Analytic solutions were derived for arterial oxygen desaturation to quantify the importance of cardiorespiratory factors on arterial oxygen desaturation such as cardiac output, lung volume, metabolic oxygen consumption, pre-apneic ventilation, blood oxygen affinity, hemoglobin content and blood volume The model analysis reveals that lung volume, hemoglobin content, cardiac output, pre-apneic ventilation exerts a unique effect on arterial oxygen desaturation throughout the time-course of desaturation and metabolic oxygen consumption is uniformly influential throughout the process. Infants with elvated metabolic needs and low lung volume and those with anemia, cardiac dysfunction or hypovolemia which are common in prematurity are at heightened risk of rapid and profound arterial desaturation during apnea. 2.8.2 Conclusion A mathematical framework for quantifying the relative importance of key cardiorespiratory factors on the rate of arterial oxygen desaturation during apnea with particular relevance to preterm infants is provided. Each of the factors examined has a signature influence on the trajectory of desaturation, providing quantitativeinsight into the causes of rapidlydeveloping hypoxemia during apnea have been demonstrated. 2.9 OBSTRUCTIVE SLEEP APNEA AS A RISK FACTOR FOR STROKE AND DEATH H. Klar Yaggi, M.D., M.P.H., John Concato, M.D., M.P.H., Walter N. Kernan, M.D., Judith H. Lichtman, Ph.D., M.P.H., Lawrence M. Brass, M.D., and Vahid Mohsenin, M.D. 2.9.1 Methodology 1.In this study patients underwent polysomnography and subsequent events like stroke and death are verified. 2.The diagnosis was based on apnea-hypopnea index of the patients.Patients with apnea-hypopnea index of less than 5 served as a comparison group. 3.Proportional hazards analysis was used to determine the independent effect of OSA syndrome on the outcome of stroke or death from any cause. 4.The mean apnea-hypopnea index for the patient with syndrome is 35 while the same for patients in the comparison group is 2. 5.After adjustment for age,sex, diabetes mellitus, smoking status, alcohol consumption status, body-mass index, hypertension, the OSA syndrome retained a statistically significant association with stroke or death. 2.9.2 Conclusion The obstructive sleep apnea syndrome significantly and severely increases the chance for stroke or death from any cause. The increase for the risk of stroke or death due to OSA syndrome is independent of the other risk factors,including hypertension. 2.10 AN ECONOMIC ANALYSIS OF CONTINUOUS POSITIVE AIRWAY PRESSURE FOR THE TREATMENT OF OBSTRUCTIVE SLEEP APNEA-HYPOPNEA SYNDROME Helen L. A. Weatherly, Susan C. Griffin, Catriona Mc Daid, Kate H. Durà ©e, Robert J. O. Davies, John R. Stradling, Marie E. Westwood and Mark J. Sculpher. 2.10.1 Methodology This study reports on the cost-effectiveness of the continuous airway-pressure(CPAP) compared with the dental devices and lifestyle advice to the patient. The Markov model compared the interventions over the patients life expectancy. The primary measure for cost-effectiveness was the incremental cost per quality adjusted life-year(QALY) gained for every patient. On further analysis, CPAP was associated with higher costs and QALYs compared with dental devices and lifestyle advice. The result of analysis was that the probability that CPAP is more cost-effective than dental devices or lifestyle advice at a threshold value of  £20,000 per QALY was 0.78 for men and 0.80 for women. 2.10.2 Conclusion This model suggests that CPAP is cost-effective compared with dental devices and also the lifestyle advice for adults with moderate or severe symptomatic Obstructive Sleep Apnea -Hypopnea Syndrome are at the cost-effectiveness thresholds used by NICE. This finding is reflected in the NICE guidance. CHAPTER 3 METHODOLOGY 3.1 EXISTING METHODS Several contactless methods are available for monitoring the respiration of infants. The most successful apnea monitors to-date been mattress monitors. These instruments rely for their operation on the fact that the process of breathing redistributes an infants weight and this is detected by some form of a pressure sensitive pad or mattress on which infant is nursed. The mattress, in its simplest form, is a multi-compartment air bed, and in this case the weight redistribution forces air to flow from one compartment to another. The air flow is detected by the cooling effect it produces on a heated thermistor bead. Though the technique is simple, the main disadvantage with the air mattress is the short-term sensitivity variation and the double peaking effect when inspiration or expiration produces separate cooling of the thermistor. Alternatively, a capacitance type pressure sensor in the form of a thin square pad is usually placed under or slightly above the infants head. Respiratory movements produce regular pressure changes on the pad and these alter the capacitance between the electrode plates incorporated in the pad. The capacitance change is measured by applying a 200 kHz signal across the electrodes and by detecting the current flow with a phase-sensitive amplifier. The disadvantage of this method is that the system is much too sensitive to people moving nearby and thus an electrically screened incubator is essential for the infant. 3.1.1 METHOD ADOPTED This project is based on impedance pneumography method. Impedance pneumography is one of the practical methods to monitor the breathing of the patient. The technique also enables the simultaneous monitoring of the heart rate and respiration. This has certain inherent disadvantages. One is that the placement of the electrodes is very critical and other is cardiovascular artifact. This results from the detection of movement between the electrodes because of the cardiovascular system, rather than due to respiration. Apnea monitors need to be designed to reject this artifact. So in this project the respiratory signal is considered to be acquired by using respiratory sensor. As there is no availability of sensor, respiratory signal is simulated using our own designed impedance pneumography technique based circuit. Then this signal is given to microcontroller where apnea is detected and it then triggers an alarm. The classification of apnea is also done using LabVIEW. In future respiratory sensor will be designed and the respiratory signal will be acquired. Then this signal can be given to the microcontroller directly. 3.2 RESPIRATORY SIGNAL SIMULATION The respiratory signal simulation circuit consists of an excitation source and a constant current source circuit which gives a high frequency, low voltage and constant current signal. This constant current will be applied to the thorax of the subject. But due to the ethical issues the current is applied on the resistance circuit which acts as the thorax impedance. This circuit in turn gives a voltage signal. This voltage signal will be amplified by an instrumentation amplifier. The amplified signal will be fed to the LabVIEW for classification of normal and apnea signal and also types of apnea. Figure 3.2.1 shows the block diagram to simulate respiratory signal and the hardware design of the circuit 3.2.1 EXCITATION SOURCE The wien bridge oscillator which produces 50kHz and 8 V peak to peak signal is used as the excitation signal. The operational amplifier used in the circuit is LF351. The Voltage gain of the amplifier must be at least 3. The input resistance of the amplifier must be high compared toRso that theRCnetwork is not overloaded and alter the required conditions.The output resistance of the amplifier must be low so that the effect of external loading is minimized. Some method of stabilizing the amplitude of the oscillations must be provided because if the voltage gain of the amplifier is too small the desired oscillation will decay and if it is too large the waveform becomes distorted 3.2.2 CONSTANT CURRENT SOURCE The constant source circuit is used to generate a 4mA constant current to be applied on the resistance circuit. CL100 and CK100 transistors are used in this circuit and these are npn and pnp paired transistors. The base emitter on voltage of these transistors is 0.9V. The collector current can be found by using the formula, Ic= (Vcc-Vbe)/Rc Where Vcc-Supply voltage Rc-Collector Resistance Vbe-Base emitter on voltage 3.2.3 PHANTOM MODEL The model consists of four resistors of 500 ohms which mimics the thoracic resistance. 3.3 DATA COLLECTION To know about characteristics of normal respiration and apnea their corresponding signals were essential. So 40 respiration data sets with 100 sample values in each data set were collected from PHYSIONET -PHYSIOBANK ATM. Among these 20 were normal data sets obtained from SLEEP HEART HEALTH STUDY POLYSOMNOGRAPHY DATABASE (SHHPSGDB) while the other 20 were apnea data sets obtained from UCD SLEEP APNEA DATABASE (UCDDB). In Apnea data sets 10 belonged to Central Sleep Apnea and remaining 10 to Obstructive Sleep Apnea. Each Data set contained 100 samples whose units are volts(V).They were recorded for 100seconds.So on plotting each data we get time in X-axis and volts in Y axis. 3.4 CLASSIFICATION OF APNEA USING RESPIRATION RATE Input data which contains 60 samples each. Normalizing of the signal by squaring the signal. Extraction of maximum peak for every 5 samples.Display of respiratory cycles. If the peak value is greater than 6V it will be counted as normal respiratory cycle. If the count is between 10 and 20 the signal will be having normal respiratory rate. If the count is less than 10 the signal will be classified as bradypnea. If the count is greater than 20 the signal will be classified as tachypnea As the parameter of respiratory rate alone is not enough for classifying the types of apnea the statistical parameters are calculated and then signals are classified using LabVIEW. FLOWCHART 3.5 CLASSIFICATION OF APNEA USING STATISTICAL PARAMETERS The signal data was imported from a spread sheet into labview using READ FROM SPREADSHEET block in labview. Then signal was plotted as a graph using WAVEFORM CHART block. The data cannot be manipulated directly so the transpose of the data is taken to find the statistical parameters using TRANSPOSE ARRAY block. Now using the STATISTICS block the signals various parameters like arithmetic mean, median, mode, maximum peak, minimum peak, range, standard deviation variance, and rms value are found and recorded. Considering the range and mean of the signal it can be classified as its respective type. Give the upper and (or) lower limit for range and mean. Now using AND operator the signal is classified when its condition are satisfied. When the signal s range is greater than 7 and its mean is less than 0.1 it is normal. When the signal s range is lesser than 6 and its mean is greater than 0.21 it is abnormal. When the signal s range lies below 3.0 it is obstructive. When the signal s rang e lies between 3.1 and 6.99 it is central. FLOWCHART CHAPTER 4 4.1 RESULTS AND DISCUSSION 4.1.1 Hardware Results Output from the excitation source (wein bridge oscillator) was checked in MULTISIM and then implemented using hardware. On applying the constant current to a resistance network that imitates human thoracic impedance , the current varied to a greater extent because of loading effect. The same problem will occur even when the patient is connected to the high frequency, low voltage, constant current module. Also, due to ethical issues the constant current generated cannot be given to the patient directly. So monitoring of real time data could not be done using the hardware design. Hence ,the idea of respiration signal simulation was dropped and offline data were collected from respiration databases for further classification. 4.1.2 Normal and Apnea Data To know about characteristics of normal respiration and apnea their corresponding signals were essential. So 40 respiration data sets with 100 sample values in each data set were collected from PHYSIONET -PHYSIOBANK ATM. Among these 20 were normal data sets obtained from SLEEP HEART HEALTH STUDY POLYSOMNOGRAPHY DATABASE (SHHPSGDB) while the other 20 were apnea data sets obtained from UCD SLEEP APNEA DATABASE(UCDDB).The Resulting plot for each type of respiration signal is plotted below. The following figure shows the normal respiration data plotted for 100 samples with time in x-axis and amplitude in y-axis with a maximum peak to peak voltage of 8V and 24 respiration cycles for 100seconds. The following figure 4.4 shows Ce

Emily Dickinson - The Feet Of People Walking Home :: essays research papers fc

One of Emily Dickinson’s poems, formally titled â€Å"The feet of people walking home,† is of some interest in its own merit. Unlike some of Dickinson’s other poems, such as the ones that exist among other versions due to a few dissimilarities, this poem is duplicated verbatim. To the untrained eye, this triviality would often be overlooked, were it not for the fact that Emily Dickinson had not intended on publishing many of her poems. Why, then, did she duplicate this poem? Perhaps a more in-depth analysis of the poem, as well as the current events in Dickinson’s life, would answer this query. Estimated to have been written in the year 1858, the poem begins its first stanza by conveying the emotions of gaiety and joyfulness, which are associated with passage to heaven. A much more somber note pervades the second stanza, in which Dickinson uses metaphors to compare the entrance to heaven with the act of theft. The third stanza combines the previous two by hinting at the theory that those who are already in heaven do not want more people entering heaven’s gates, because that would diminish the high status that heaven and angels hold. The tone in the first stanza is of joyousness and excitement, as people make their way to heaven. Dickinson uses the words â€Å"gayer,† â€Å"hallelujah,† and â€Å"singing† to emphasize the uplifting feeling here. It could be argued that this is the point in the humans’ lives (or deaths, or afterlives, depending on how one looks at it) when they reach the pinnacle of happiness, for they have finally entered heaven. The humans, now dead, would then acquire wings, immortality, and an angelic status that rises far above that of humans. Much like Dickinson’s other poems, this one uses metaphors to represent similar things, such as â€Å"home,† which represents â€Å"heaven,† â€Å"snow,† which represents the â€Å"clouds† on which heaven resides, and â€Å"vassals,† which represents the â€Å"angels† who serve God. The second stanza shares a relation to the first, but it could be described as being completely opposite in tone. Dickinson uses the words â€Å"extorted,† â€Å"larceny,† and â€Å"death† to emphasize the crime that is personified here. Dickinson uses more metaphors in this stanza to compare the onrush of people entering heaven to divers who take pearls from the sea. In both cases, a sense of â€Å"value† is diminished, or perhaps even lost. Referring back to the first stanza, Dickinson subtly states that the status of angels would no longer be as honorable or magnificent as it is now if everyone were to acquire wings, achieve immortality, and enter heaven.

Pluralism :: Federalist Papers pluralistic theory

American Pluralism In Federalist No. 10, James Madison stresses that â€Å"measures are too often decided, not according to the rules of justice and the rights of the minor party, but by the superior force of an interested and overbearing majority.† Madison philosophized that a large republic, composed of numerous factions capable of competing with each other and the majority must exist in order to avoid tyranny of majority rule.# When Federalist No. 10 was published, the concept of pluralism was not widely used. However, the political theory that is the foundation for United States government was the influential force behind pluralism and its doctrines. Pluralism comes from the political system that focuses on shared power among interest groups and competing factions.# A pluralistic society contains groups that have varying interests and backgrounds, including those of ethnic, religious, and political nature.# Differences like these are to be encouraged, with overall political and economic power being maintained. When a number of people, all sharing a common interest are threatened, a group is involuntarily formed in order to defend against competing interests. These pluralistic interest groups are free to operate and lobby in the political arena, fighting against the majority and other competing factions for voice in Congress. With the influence of multiple factions operating throughout the political system, a balance of power is created (Kernell 2000, 429). This is much like the international theory of sovereign states balancing each other’s power to create a political system that focuses on stability, yet is always in a constant flux of power. With this in mind, special interest groups are constantly contending for power by raising money, campaigning, and lobbying in Congress. When a special interest group is threatened by a competing policy, the group will organize efforts to balance, or transcend the power of the competing group. The pluralistic scholar David Truman notes that â€Å"the proliferation of political interest groups [is] a natural and largely benign consequence of economic development† (Kernell 2000, 429). That is, as American economic development increases, in the form of industry, trade, and technology, factions are produced in order to protect special interests. Factions have a large platform on which to find support from various political parties, committees, subcommittees, and the courts, as well as federal, state, and local governments (Kernell 2000, 429).

Rehabilitation of Criminals in America Essay examples -- social issues

Rehabilitation of Criminals in America Prison inmates, are some of the most  ³maladjusted ² people in society. Most of the inmates have had too little discipline or too much, come from broken homes, and have no self-esteem. They are very insecure and are  ³at war with themselves as well as with society ² (Szumski 20). Most inmates did not learn moral values or learn to follow everyday norms. Also, when most lawbreakers are labeled criminals they enter the phase of secondary deviance. They will admit they are criminals or believe it when they enter the phase of secondary deviance (Doob 171). Next, some believe that if we want to rehabilitate criminals we must do more than just send them to prison. For instance, we could give them a chance to acquire job skills; which will improve the chances that inmates will become productive citizens upon release. The programs must aim to change those who want to change. Those who are taught to produce useful goods and to be productive are  ³likely to develop the self-esteem essential to a normal, integrated personality ² (Szumski 21). This kind of program would provide skills and habits and  ³replace the sense of hopelessness ² that many inmates have (Szumski 21). Moreover, another technique used to rehabilitate criminals is counseling. There is two types of counseling in general, individual and group counseling. Individual counseling is much more costly than group counseling. The aim of group counseling is to develop positive peer pressure that will influence its members. One idea in many sociology text is that group problem-solving has definite advantages over individual problem-solving. The idea is that a wider variety of solutions can be derived by drawing from the experience of several people with different backgrounds. Also one individuals problem might have already been solved by another group member and can be suggested. Often if a peer proposes a solution it carries more weight than if the counselor were to suggest it (Bennett 20-24). Further, in sociology, one of the major theories of delinquency is differential association (Cressey 1955). This means some people learned their ways from  ³undesirable ² people who they were forced to be in association with and that this association  ³warps ² their thinking and social attitudes.  ³Group counseling, group interaction, and other kinds of group activities can... ... to the economy. Also the construction of new prisons brings millions of dollars into the economy each year and if there were no new prisons needed it would mean the loss of thousands of jobs (Szumski 24-26). Henry Abernathy and inmate in Texas said  ³just think what a catastrophe it would cause if all cons across the country decided never to commit another crime. ² Richard Cepulonis, an inmate in Massachusetts said just the title  ³Department of Corrections ² is a  ³misnomer ² he said  ³they don ¹t correct anything. ² In conclusion, things need to be done to improve rehabilitation in America. Improvements in job training, counseling, and halfway houses for rehabilitation must be brought to the forefront by citizens. If we do not get involved and try to make changes, our crime problem could worsen beyond control. Bibliography Szumski, Bonnie. America ¹s Prisons Opposing Viewpoints. Greenhaven Press, Inc.: 1985 Doob, Christopher. Sociology: An Introduction. Harcourt Brace & Company, United States: 1994 Bennett, Lawrence. Counseling in Correctional Environments. New York: New York, 1978 Fox, Vernon. Community-Based Corrections. Englewood Cliffs: New Jersey, 1977.

Differences in Competencies Between Nurses Prepared at the Associate’s Degree Level Versus the Baccalaureate Degree Level Essay

Differences In Competencies between Nurses Prepared at the Associates Degree Level Versus The Baccalaureate Degree Level in Nursing It is sometimes difficult to differentiate between the associates degree nurse and the baccalaureate degree nurse. After all both levels of learning require passing the exact same exam in order to practice. However, there are some differences of learning between them. Two important differences are the educational curriculum and the quality of care given to patients. The associates degree nursing curriculum (AAS) is a two year program that prepares the nurse to apply technical and clinical skills upon graduation. The baccalaureate degree nursing (BSN) curriculum is a four year program that builds upon the technical and clinical skills of the AAS. Heights of learning is raised by incorporating psychosocial, ethical, legal, evidence based nursing into their curriculum. The first BSN program started out at the beginning of the twentieth century. Annie Goodrich, director of the first privately operated baccalaureate program at Yale University, believed that certain concepts in nursing should be built on the foundation of technical and clinical skills (Creasia and Friberg. 2011) Goodrich believed that the BSN field of study should address psychosocial and public health issues (Creasia and Reid. 2011). Todays BSN programs takes the AAS nurse out of the closed minded dome of just applying technical and clinical skills and into the world of other plateaus and horizons of nursing. This greater arc of nursing consists of addressing ALL pertinent needs that influences the health of individuals, families and communities. BSN nurses learn about legal, ethical, psychological, social and economic issues that pertains to health and health care. Upon receiving my AAS degree in nursing after a challenging two and one half years, I told myself that I needed a break from studying. After all I had completed the â€Å" hardest† part of nursing ; applying clinical skills. In my mind, I had climbed one of the highest mountains of learning, I did not quite get to the top, but its view was  in sight and I would get there some day. There were not any incentives that encouraged me to move forward because all the registered nurses in the hospital where I worked wore the same identical identification cards . Everyone had their name and the words staff nurse written. Another reason that discouraged me from pushing forth is that there was only a two thousand dollar yearly raise when you got the BSN. Many studies were done showing that the outcomes of the quality of care given by nurses that have BSN degrees and nurses with AAS degrees. Two of these studies stand out. One such study is the finding that baccalaureate degree nurses provided better outcomes in health care facilities. According to a study done in 1999 by Aiken, Clarke, Sloane, Lake and Chaney, the mortality rate of hospital patients decreased when there was a patient ratio of four patients to one nurse, and when there was a sixty percent staffing of BSN nurses. Another important study is a study done by Estabrooks, Midodzi, Cummings, Ricker and Giovanetti in March 2005, it was found that hospitals with a higher ratio of baccalaureate degrees resulted in a lower thirty day mortality rate of patient (Estabrooks, Midodzi, Cummings, Ricker and Giovanetti. 2005) Nursing is a field of study that mandates that the whole person and all parts of the whole person be taken into consideration so that the nurse could give effective care to individuals. Nurses that hold AAS degrees in nursing have an incomplete â€Å" un-whole â€Å" education. This incompleteness shortens their nursing insight into the outerr stratospheres of nursing. A while back, I remember applying for a position as a Nurse-Family Partnership Nurse. I was confident that I would get the job, because I had solid years of experience. The position entailed doing home visits to first time mothers and teaching them how to take care of their infants. The position also entailed connecting these first time mothers with support services like food stamps and living skills specialists that would empower them. There was a measurable positive difference in the quality of these first time mothers and their infants with the guidance and direction of the BSN nurse ( A Career You  Can Feel Passionate About. Retrieved from www.nursefamily partnership.org). Needless to say, I did not get the position, because I did not have a BSN Degree. This was a wake up call for me. Today with all the solid evidence based studies on the better nursing outcomes with a higher staffing of baccalaureate degree nurses, health care facilities especially hospitals are resorting to hiring only the nurses that have their BSN degrees. Therefore it is imperative that AAS nurses continue on with their nursing education to deliver a better quality of care to individuals and to be more viable for positions that require the leadership of a baccalaureate nurse. References  A Career You Can Feel Good Passionate About. (n.d.) Retrieved from www.NURSEFAMILYPARTNERSHIP.ORG. Aiken, L.H., Clarke, S.P., Sloane, D.M., Lake, E.T., & Cheney, T. (2008, May). Effects of Hospital Care environment on patient mortality and nurse outcomes. Journal of Nursing Administration, 38(5). 223-229. Creasia, L.J., & Friberg.E. (2011). Conceptual Foundations : The Bridge to Professional Nursing Practice. St. Louis, MO. Elsevier Mosby. Eastbrooks, C.A., MIdodzi, W.K., Cummings, G.C. Ricker, K.L. & Giovanetti, P. (2005, March/April). The Impact of Hospital Nursing Characteristics on 30-day Mortality. Journal of Nursing Administration. 4 (718),958-968.