نتایج جستجو برای: lung volumes
تعداد نتایج: 357994 فیلتر نتایج به سال:
Diver’s Lung Function: Influence of Smoking Habit: Shinya SUZUKI. Japan Maritime SelfDefense Force Undersea Medical Center—To assess the influence of smoking habit on divers’ lung function, we measured static lung volumes, dynamic lung volumes and flows and diffusing capacity for carbon monoxide (DLco) on 71 healthy, male, JMSDF active-duty uniformed divers (46 smokers and 25 nonsmokers) . Al l...
BACKGROUND High frequency percussive ventilation (HFPV) combines diffusive (high frequency mini-bursts) and convective ventilation patterns. Benefits include enhanced oxygenation and hemodynamics, and alveolar recruitment, while providing hypothetic lung-protective ventilation. No study has investigated HFPV-induced changes in lung aeration in patients with early acute respiratory distress synd...
Vital capacity and residual lung volume (in terms of 1/min or ml/m2 of body surface area) of 357 subjects (205 males, 152 females) was evaluated in La Paz, Bolivia, situated at 3,750 m. The sample included: (1) 37 high altitude rural natives (all male), (2) 125 high altitude urban natives (69 male, 58 female), (3) 85 Bolivians of foreign ancestry acclimatized to high altitude since birth (40 ma...
Nineteen asthmatic volunteers underwent methacholine-induced asthma to the point when tightness in the chest was just sensed (threshold symptom). Changes in the following indices of lung function were measured--static lung volumes, forced expiratory volume in one second, and airways conductance. The increase in airways resistance necessary for threshold detection was at least double that previo...
1. Rapid intravenous (i.v.) infusions of saline were administered to five healthy male volunteers. Measurements were made of static and dynamic lung volumes, ‘closing volume’ and pulmonary compliance before and after infusion; all measurements were made in the seated upright position. 2. Following a 1 litre infusion small decreases occurred in static and dynamic lung volumes in all studies and ...
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