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Increased pulmonary vascular resistance during liquid ventilation
pulmonary liquid ventilation fluorocarbon cat animal
2009/7/16
The effect of liquid ventilation on pulmonary vascular resistance was studied in an isolated cat lung preparation in situ. Lungs were perfused with whole blood from a donor cat at a constant flow of 1...
Instrumentation for measuring cardiac output by direct Fick method during liquid ventilation
equipment fluorocarbon oxygenation
2009/7/16
A closed-circuit fluorocarbon oxygenation system was designed and incorporated into an existing liquid breathing system (LBS) to allow measurement of an animal's oxygen consumption during liquid venti...
Field study of ventilation in volunteer scuba divers during head-out immersion
human ventilation immersion exercise respiratory
2009/7/15
Seven subjects had spirometric studies during head-out immersion before and after working at depth in coral research. Under the variable environmental conditions of a field study the seven subjects de...
Influence of exercise on maximal voluntary ventilation and forced expiratory flow at depth
CO2 carbon dioxide human
2009/7/15
Four to six subjects performed maximal voluntary ventilation (MVV) and forced expirations during rest, exercise (50, 125, and 200 W), and inhalation of air and CO2 and air at rest while submerged at p...
Physiological effects of ventilation with liquid fluorocarbon at controlled temperatures
pulmonary liquid fluorocarbon ventilation animal cat
2009/7/15
Body cooling, respiratory heat loss, and the physiological effects of liquid ventilation at various temperatures were studied in 10 adult cats with applications to the deep sea diver. The animals were...
The liquid-filled lung preparation has provided physiologists with a unique technique for varying the physical properties of respiratory media and studying their effect on basic pulmonary processes. M...