A resuscitation device for automatic compression of victims chest using a compression belt which exerts force evenly over the entire thoracic cavity. The belt is constricted and relaxed through a motorized spool assembly which repeatedly tightens the belt and relaxes the belt to provide repeated and rapid chest compression. An assembly includes various resuscitation devices including chest compression devices, defibrillation devices, and airway management devices, along with communications devices and senses with initiate communications with emergency medical personnel automatically upon use of the device.
The flow-volume (FV) loop was introduced by Hyatt and associates in 1958. Its potential as a means of assessing lung function has been discussed. There are, however, few reports of its use in clinical studies. The purpose of this study was to add to the data on normal subjects and to quantify the differences between normal subjects and patients with selected types of lung disease. The FV curve was
GE: Chest radiograph was normal with no cardiomegaly and normal lung fields. Spirometry was normal (forced expiratory volume in the first second 2.9L, 95% predicted; forced vital capacity 3.6L, 91%; maximal expiratory flow 50 130%). There was poor R wave progression on ECG and an echocardiogram showed left ventricular hypertrophy with an estimated pulmonary artery systolic pressure of 44 mm Hg+right atrial pressure. Left ventricular systolic function was reported as good. He achieved 525 m on a 6-min walk with no desaturation on oximetry but he experienced significant breathlessness. A CT scan of the thorax demonstrated normal lungs with no evidence of interstitial or small airways disease and no pulmonary emboli. He scored 50/70 on the Hull Airway Reflux Questionnaire (HARQ).1 An airway pH study and barium swallow confirmed the presence of reflux.. AHM: The cardiac investigations are abnormal, but the reported good left ventricular systolic function suggests simple pump failure is unlikely. A ...
Patients with respiratory lтrtab may be taught how to mea- sure their peak flow rate (reflects maximal expiratory flow) at home using a spirometer. Kloc, et al.
3-4.1 Gas Exchange 3-5. 3-4.2 Respiration Phases 3-5. 3-4.3 Upper and Lower Respiratory Tract 3-6. 3-4.4 The Respiratory Apparatus 3-6. 3-4.4.1 The Chest Cavity 3-6. 3-4.5 Respiratory Tract Ventilation Definitions 3-7. 3-4.5.1 Respiratory Cycle 3-7. 3-4.5.2 Respiratory Rate 3-8. 3-4.5.3 Total Lung Capacity 3-8. 3-4.5.4 Vital Capacity 3-8. 3-4.5.5 Tidal Volume 3-8. 3-4.5.6 Respiratory Minute Volume 3-8. 3-4.5.7 Maximal Breathing Capacity and Maximum Ventilatory Volume 3-9. 3-4.5.8 Maximum Inspiratory Flow Rate and Maximum Expiratory Flow Rate.. . .3-9. 3-4.5.9 Respiratory Quotient 3-9. 3-4.5.10 Respiratory Dead Space 3-9. 3-4.6 Alveolar/Capillary Gas Exchange 3-9. 3-4.7 Breathing Control 3-10. 3-4.8 Oxygen Consumption 3-10. Was this article helpful?. ...
Forced expiratory manoeuvres are extensively recorded using flow meters coupled to pressure transducers, which usually behave like second-order filters. To assess what should be the dynamic characteristics of such equipment for accurate determination of common forced expiration indices, 125 curves were obtained from 25 healthy subjects in the best technical conditions. The flow-time curves were then submitted to various degrees of second-order filtering, and the indices derived from filtered and unfiltered curves were compared. Considering that experimental error is acceptable if it does not exceed 20% of the normal interindividual variability for 95% of the curves, the following conclusion was drawn; with an optimal damping ratio (r) of 0.7, forced expiratory volume in one second, maximum midexpiratory flow rate and maximal expiratory flow at 25% of the forced vital capacity (MEF25) are still correctly measured when the resonant frequency (fn) is as low as 3 Hz. The corresponding figures are 5 Hz for
Bronchial reactivity to cigarette smoke (CBR) in a cross-section of 98 smokers has been investigated. All participants were subjects to skin-prick tests to common allergens, lung function measurements and bronchial challenges with methacholine and cigarette smoke. In 38 participants a rechallenge with cigarettes was performed 1 h after the first cigarette challenge. Lung function indices analysed were: forced expiratory volume in one second (FEV1); maximal expiratory flow at 75% of the forced vital capacity (MEF75%); and forced mid-expiratory flow between 25 and 75% of the forced vital capacity (FEF(25-75%)). All participants were tested for asthma and allergy, and were required to provide information regarding respiratory symptoms, first degree relatives with asthma and allergy and smoking habits. A substantial decrease was seen in all lung function indices after 12 cigarette-smoke inhalations, but only FEV1 was related to other variables. The maximal mean percentage fall in FEV1 was 10%, which ...
Reactivity of the small and large airways to inhaled leucotriene D4, one of the leucotrienes that constitute slow reacting substance of anaphylaxis, was studied in eight patients with exogenous asthma and nine healthy subjects with no history of atopy. Non-cumulative dose response relations were constructed for leucotriene D4 in a randomised, double blind set up. Reactivity to the leucotriene was compared with reactivity to histamine in the two groups. Both groups reacted to leucotriene D4 with significant airway obstruction evident in forced expiratory volume in one second (FEV1), peak expiratory flow rate, maximal expiratory flow rate at 30% of forced vital capacity estimated from a partial flow volume curve initiated at 50% of vital capacity (V30), and an increase in volume of trapped gas. The airways of the patients were significantly (p less than 0.01) more reactive to leucotriene D4 than those of the controls. The differences were in order of magnitude, 10(2)-10(3) for FEV1 but only about ...
... Adding to the ammonia is added until in great quantity it the normal stool of. Separately examined in sediment a few drops Reaction 80 Mucin transplanted in later genera raw connective tissue is. Centrifugalize the urine in length so that with cold ...
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Rossoff, L.J.; Csima, A.; Zamel, N., 1979: Reproducibility of maximum expiratory flow in severe chronic obstructive pulmonary disease
1. The effect on respiration of a single dose of propranolol has been studied in normal subjects.. 2. The degree of β-adrenoreceptor blockade was assessed in terms of the impaired heart-rate response to progressive exercise and the plasma propranolol concentration.. 3. No effect of propranolol was demonstrated on either the ventilatory response to rebreathing CO2 in hyperoxia, or the response to progressive isocapnic hypoxia. Simple indices of maximal expiratory flow (FEV1.0% and PEFR) were also unchanged.. 4. The absence of any effect of propranolol on the chemical control of breathing in man is discussed in relation to the conflicting literature.. ...
Hye J Heo MD is a Obstetrics & Gynecology who practices in Mineola, NY. Get a full report about this doctors background by clicking here.
Song D , Kim YD , Hong KS , Yoon BW , Lee BC , Rha JH , Kwon SU , Bae HJ , Yu KH , Park JM , Park KY , Ko SB , Oh CW , Kim JE , Heo JH . ...
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TY - JOUR. T1 - Influence of expiratory flow on closing capacity at low expiratory flow rates. AU - Rodarte, J. R.. AU - Hyatt, R. E.. AU - Cortese, D. A.. PY - 1975/1/1. Y1 - 1975/1/1. N2 - Single breath oxygen (SBO2) tests at expiratory flow rates of 0.2, 0.5, and 1.01/s were performed by 10 normal subjects in a body plethysmograph. Closing capacity (CC) the absolute lung volume at which phase IV began increased significantly with increases in flow. Five subjects were restudied with a 200 ml bolus of 100% N2 inspired from residual volume after N2 washout by breathing 100% O2 and similar results were obtained. An additional five subjects performed SBO2 tests in the standing, supine and prone positions; closing volume (CV), the lung volume above residual volume at which phase IV began, also increased with increases of expiratory flow. The observed increase in CG with increasing flow did not appear to result from dependent lung regions reaching some critical closing volume at a higher overall ...
TY - JOUR. T1 - Clinical use of dornase alfa is associated with a slower rate of FEV 1 decline in cystic fibrosis. AU - Konstan, Michael W.. AU - Wagener, Jeffrey S.. AU - Pasta, David J.. AU - Millar, Stefanie J.. AU - Jacobs, Joan R.. AU - Yegin, Ashley. AU - Morgan, Wayne J. PY - 2011/6. Y1 - 2011/6. N2 - Objectives Randomized controlled trials of dornase alfa have shown forced expiratory volume in 1 sec (FEV1) to improve in patients with cystic fibrosis (CF) but have not assessed change in the rate of lung function decline. We assessed the relationship of dornase alfa use and FEV1 decline using the Epidemiologic Study of Cystic Fibrosis (ESCF). Methodology Patients aged 8-38 years who had been enrolled in ESCF for 2 years when initially treated with dornase alfa were selected if they remained on treatment during the following 2 years. A comparator group included patients aged 8-38 who were not yet reported to have received dornase alfa. For each patient we estimated the annual rate of ...
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Inadequate Peak Expiratory Flow Meter Characteristics Detected By Predicted Average Chart Predicted Average Peak Expiratory Flow Chart Flowcharts predicted average peak expiratory flow chart Start event symbol signals the first step of a process. Process is a series of actions or steps taken in order to achieve a particular end. Decision is the action or process of deciding something or of resolving a question. End event symbol stands for the result of a process. Find Your Next Flowcharts
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by PWeekly , Sep 2, 2016. Evidence suggests that electronic cigarette (e-cig) use has grown rapidly in recent years. "There seems to be a perception among the public-and perhaps even some physicians-that e-cigs are a benign substance because users are essentially inhaling water vapor," says Peter V. Dicpinigaitis, MD. "However, few studies have assessed how e-cig use affects the respiratory tract or pulmonary function." Previous studies have shown that otherwise healthy smokers of tobacco cigarettes experience decreased cough reflex sensitivity when compared with non-smokers. Dr. Dicpinigaitis is one of few researchers worldwide with the ability to measure the effects of an external influence on cough reflex sensitivity in the laboratory using capsaicin, which has been shown in previous research to induce cough in a safe, dose-dependent, and reproducible manner. With this background, he and his colleagues sought to determine the effects of a single exposure to e-cig vapor on cough reflex ...
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Kim DU, Hayles J, Kim D, wood V. Park HO, Won M, Yoo Hs, Duhig T, Nam M, Palmer G, Han S, Jeffery L, BaekST, Lee H, Shim YS, Lee M, Kim L, Heo KS, Noh EJ, LeeAR, Jang YJ, Chung KS, Choi SJ, Park JY, Park Y, Kim HM, Park SK, Park Hj, Kang EJ, Kim HB, Kang HS, Park HM, Kim K, Song K, Song KB, Nurse P, Heo KL ...
METHODS: We examined the diagnostic value of several criteria for predicting upper-airway obstruction, and we measured the frequency of detecting upper-airway obstruction via quantitative and visual assessment of flow-volume loops. We studied 4 quantitative and 3 visual criteria for their ability to detect upper-airway obstruction. The quantitative criteria were: ratio of forced expiratory volume in the first second (FEV1) to maximum expiratory flow (MEF) , 10 mL/L/min; ratio of the flow at the mid-point of the forced expiratory maneuver (MEF50%) to the flow at the mid-point of the forced inspiratory maneuver (MIF50%) , 0.3 or , 1; MIF50%, 100 L/min; and FEV1/FEV0.5, 1.5. The visual criteria were: presence of a plateau; biphasic shape; and oscillations. The accepted standard tests for diagnosing upper-airway obstruction were bronchoscopy, laryngoscopy, and chest or neck computed tomogram. We considered 979 consecutive flow-volume loops from the Cleveland Clinics pulmonary function laboratory. ...
Dr. Hyun Hee Heo returned to her home country, South Korea, after earning her MA in health communications in 2011 and her doctor of public health degree from UH Mānoa in 2014.. First as a post-doc fellow at Yonsei University and now as a research professor at Korea University, Dr. Heo has been involved in research projects to improve health equity in vulnerable populations. These include single-room-occupancy residents in the inner city of Seoul, homeless people with tuberculosis, pregnant women in medically underserved areas and patients with cancer and rare diseases.. As Dr. Heo says, "It is very important to work with vulnerable groups to solve public health problems. I believe in using bottom-up approaches in health promotion, as this helps the voiceless to be heard and makes the community healthier through empowerment.". In May 2017, Dr. Heo won a Young Investigator Award from the National Research Foundation of Korea (NRF). This grant will support her research on "Planning and ...
Study on peak expiratory flow rate and its influencing factors in healthy school children in Kancheepuram district of Tamil Nadu, India
Study on peak expiratory flow rate and its influencing factors in healthy school children in Kancheepuram district of Tamil Nadu, India
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Centers RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.. ...
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Seung Won Lee, Jee-Seon Shim, Bo Mi Song, Ho Jae Lee, Hye Yoon Bae, Ji Hye Park, Hye Rin Choi, Jae Won Yang, Ji Eun Heo, So Mi Jemma Cho, Ga Bin Lee, Diana Huanan Hidalgo, Tae-Hoon Kim, Kyung Soo Chung, Hyeon Chang ...
Modern technology has come up with a new twist on an ancient medical treatment: laser acupuncture is now being used to treat arthritis without needles.
Coughing is a distressing symptom which has a major impact on quality of life. It has been estimated that cough costs the UK economy £1 billion each year. Currently there are no effective anti-tussive agents to treat subjects with cough. Although drugs such as morphine may have some anti-tussive effect, side effects unacceptable.. Currently our understanding of the mechanisms which lead to coughing in different diseases is poor. Many mechanistic studies rely on testing the sensitivity of the cough reflex by inhalation of capsaicin (chilli-pepper extract) or citric acid. These challenges do not differentiate well between health and disease or between different disease states. Other agents such as prostaglandins and bradykinin are known to stimulate a coughing but responses to these agents have rarely been used as a measure of cough reflex sensitivity and not been compared to standard challenges.. It is clear that patients with common airway diseases such as COPD and asthma cough significantly ...
Peak expiratory flow less than 50% of your personal best peak flow measurement. To find 50% of your personal best, multiply your personal best measurement by 0.50. For example, if your personal best flow is 400, then 50% of that is 400 times 0.50, which is 200. In this example, a peak expiratory flow less than 200 means you are in the red zone ...
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TY - JOUR. T1 - Ratio between forced expiratory flow between 25% and 75% of vital capacity and FVC is a determinant of airway reactivity and sensitivity to methacholine. AU - Parker, Annie Lin. AU - Abu-Hijleh, Muhanned. AU - McCool, F. Dennis. PY - 2003/7/1. Y1 - 2003/7/1. N2 - Study objective: The ratio between forced expiratory flow between 25% and 75% of vital capacity (FEF25-75) and FVC is thought to reflect dysanapsis between airway size and lung size. A low FEF25-75/FVC ratio is associated with airway responsiveness to methacholine in middle-aged and older men. The current study was designed to assess this relationship in both male and female subjects over a broader range of ages. Study design: Data analysis of consecutive subjects who had a ≥ 20% reduction in FEV1 after ≤ 189 cumulative units of methacholine over a 7-year period. Setting: Pulmonary function laboratory in a university-affiliated hospital. Patients: A total of 764 consecutive subjects aged 4 to 91 years (mean ± SD ...
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Peter Dicpinigaitis, M.D., is active in the field of cough research. Dr. Dicpinigaitis and colleagues have developed methods of cough reflex sensitivity measurement with the tussive agent capsaicin that have been adopted in international guidelines as the proposed standard method of cough challenge testing.. Using this methodology, Dicpinigaitis has performed numerous studies to evaluate potential antitussive drugs; to evaluate the effect of non-pharmacological interventions such as cigarette smoking on cough reflex sensitivity; as well as to evaluate ethnic and gender differences in the cough reflex.. Clinical Specialty Areas. ...
Rationale: Forced spirometry maneuvers are not routinely performed in patients with Ataxia Telangiectasia (A-T), even though they suffer from respiratory illnesses.. Objectives: To study the feasibility and validity of forced spirometry in A-T patients.. Methods: Patients will perform spirometry during clinical visits. Parameters studied will be technical quality, relation to predicted values, age, pulmonary illness, body mass index, mutational status and mutation. ...
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In the evaluation and management of bronchial asthma, simple instruments for measurements of the peak expiratory flow (PEF) rate are needed. The aim of this study was to determine normal PEF values of Turkish children living in Istanbul. This is the largest study conducted in Turkey. In a cross-sectional study, we measured PEF in 2791 healthy schoolchildren (1468 boys and 1323 girls) aged 7-14 years, with a Mini Wright peak flow meter. We entered height, age, and sex into the regression equation. The equation for prediction of PEF in boys was calculated as (3.5 × height [cm]) + (9.2 × age [years]) - 256.5, (p < 0.0001; r = 0.83) and for girls as (3.3 × height [cm]) + (10.2 × age [years]) - 263.7 (p < 0.0001; r = 0.81). We found that PEF values of Turkish children were similar to British and Danish children, but significant differences were noted with Greek, Irish, Mexican American, African-American, and white American children. Our results were significantly lower compared with another study ...
Frequently Asked Questions (FAQS). Does is hurt?. There is a sensation associated with needles, like a tug or pinch under the skin and last only a few seconds - but is completely unlike that normally associated with being injected with a hyperdermic or stabbed by an ordinary sowing needle ! Laser Acupuncture has no sensation and is therefore gentler to use on children, the sensitive, the nervous or the elderly.. What happens during treatment?. Because Acupuncture treats everyone as a complete individual it doesnt generalise. Therefore the Initial Consultation takes the form of a detail history, followed by pulse taking (on both wrists) and a tongue diagnosis, to gather as much information as possible. Every patient is treated as a complete individual and treatments are tailor-made to their particular needs. How long do treatment sessions last?. Initial consultation may take up to 1½ hours, whereas follow-up treatments generally take between ¾ - 1 hour. How many treatments does it ...
The New Way of AcupunctureAcupuncture seems to evolve with thetimes and since todays world is a world run by lasers and sensorsinstead of mechanical gadgets, new acupuncture seems to have becomemodernized in a similar way.
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chains in the Genus database with same CATH superfamily 1OTR A; 2OOB A; 1VEG A; 4DBG B; 1OQY A; 2LVO C; 2DAK A; 2MRO B; 1DV0 A; 2G3Q A; 3BBZ A; 1Q02 A; 1SG9 A; 1TTE A; 1VEJ A; 1KYI A; 1WGN A; 1IM2 A; 3LCV B; 4WP2 A; 2DAE A; 2LVQ D; 3K9P A; 4UN2 B; 3K9O A; 1AIP C; 2LVN C; 1G4A E; 1BVS A; 2KHH A; 5DFL A; 2O25 A; 1GO5 A; 1VQ1 A; 3B89 A; 2CP8 A; 1R4G A; 3IEC A; 1Y8G A; 2JY8 A; 2MR9 A; 2MGW A; 1WIV A; 2DHY A; 1V92 A; 2ZTD A; 2CWB A; 2DI0 A; 1E94 E; 1T43 A; 3F92 A; 1VDL A; 3LCU A; 2OO9 A; 3H4J A; 2KNZ A; 1DO2 A; 1JR3 E; 2EJS A; 2HAK A; 1XB2 B; 1XXH E; 1OKS A; 1WR1 B; 1UFZ A; 2QNJ A; 3E46 A; 3MMP A; 1A5T A; 1QZE A; 1VG5 A; 2MJ5 B; 2LTU A; 4Q7J A; 1YLA A; 1CUK A; 1HQY E; 3GLI E; 2R0I A; 1IFY A; 2H5X A; 2DAI A; 2EKF A; 2B3T A; 2JNH A; 2JY5 A; 4F2L A; 3E21 A; 3GLG E; 1C7Y A; 4HEO A; 2WZJ A; 3FRH A; 1WGL A; 2JY7 A; 1HJP A; 1TR8 A; 3IHP A; 1PGY A; 1HT2 E; 2OOA A; 2DZL A; 1IXS A; 1OAI A; 2QSF X; 2L4E A; 1NV9 A; 4F1I A; 1ZMV A; 2K9D A; 1DO0 A; 2HWJ A; 2JY6 B; 2ZTC A; 3FRI A; 4G3O A; 1ZMW A; 2DAG A; 2BWB A; ...