Key result
Positive pressure breathing for artificial respiration should use a short inspiratory period with high pressure and a long expiratory period with mean mask pressure near atmospheric.
Why the study?
How do different types of positive pressure breathing influence circulation and hemodynamics in man?
How do different types of positive pressure breathing influence circulation and hemodynamics in man?
For artificial respiration using positive pressure breathing, a short high-pressure inspiratory period and a long expiratory period near atmospheric pressure optimize hemodynamics.
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May optimize hemodynamics in resuscitation; hypothesis-generating pending modern randomized validation.
A 1948 study studied Artificial respiration. Positive pressure breathing was evaluated on Cardiac output and other hemodynamic variables. Positive pressure breathing for artificial respiration should use a short inspiratory period with high pressure and a long expiratory period with mean mask pressure near atmospheric.
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