منابع مشابه
Modified Beaver respirator: the application of negative phase.
THAT intermittent positive pressure may adversely affect the circulation under certain circumstances, notably when there is hypovolaemia, is widely recognized (Maloney and Handford, 1953; Brecher, 1956) and with many automatic ventilators it is possible to provide a degree of "negative pressure" during the expiratory phase to combat this tendency to circulatory depression. Many of these machine...
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چکیده ندارد.
15 صفحه اولFactors influencing respirator use at work in respiratory patients.
BACKGROUND When engineering controls such as ventilation are not sufficient to prevent hazardous exposures in workplaces, respiratory protective devices (RPDs) may be provided to decrease workers' exposures. Often, workers do not use RPDs consistently when required. AIMS Our goal was to determine important factors associated with RPD usage in workers with respiratory disease exposed to airbor...
متن کاملa gender-based pragmatic analysis of the use of english compliment responses by iraqi efl students:a speech act perspective
تعارفات کنش های گفتاری هستند که افراد در زندگی روزمر? خود به منظور برقراری دوستی یا تداوم روابط مسالمت آمیز به کار می برند. ساز و کار تعارف مختص زبان انگلیسی یا هر زبان دیگری نیست و پدیده ای است جهانی و در همه زبانها حضور دارد. تفاوتی که از این نظر در زبانها و فرهنگ ها وجود دارد مربوط به پاسخ به این کنش گفتاری در گفتمان است. این مطالعه به بررسی تنوع پاسخ های انگلیسی و عربی به کنش گفتاری تعارف د...
Evaluation of N95 respirator use as a tuberculosis control measure in a resource-limited setting.
SETTING A 150-bed public Brazilian hospital that serves as reference hospital for tuberculosis (TB) patients. OBJECTIVE To evaluate the use of personal respiratory protection by health care workers (HCWs) as a measure to reduce TB occupational risk. DESIGN One hundred and forty-five HCWs were randomly observed for the use of a N95 respirator when entering high-risk areas or performing high-...
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ژورنال
عنوان ژورنال: British Journal of Anaesthesia
سال: 1957
ISSN: 0007-0912
DOI: 10.1093/bja/29.8.387