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transpulmonary pressure

   Also found in: Wikipedia 0.01 sec.
transpulmonary pressure
[-pul′məner′ē]
the difference between intraalveolar and intrapleural pressure, or the pressure acting across the lung from the pleural space to the alveoli.
transpulmonary pressure
Physiology The difference between airway pressure and pleural pressure–PAW—PPL, a clinically important respiratory measure in ICU Pts; it is also derived by multiplying the airway pressure by the ratio of lung parenchyma elastance and total lung elastance; for a given PAW, rise of the PPL has effects on hemodynamics, lung distention and recruitment, and interstitial lung fluid–pulmonary edema
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High airway pressures are especially concerning when strong inspiratory efforts by the patient add significantly to the total transpulmonary pressure.
The shortcomings of pressure support by Marini, John / FOCUS: Journal for Respiratory Care & Sleep Medicine
Calculating airway resistance The airway resistance at each workload was calculated for each subject using the following equation: Expiratory Resistance = Transpulmonary Pressure / Expired Flow Rate During the transient interruption of expiratory flow, the mouth pressure was assumed to equilibrate to the transpulmonary pressure and so it was used in the above equation together with the expiratory flow rate recorded just prior to occlusion.
Effects of the menstrual cycle on expiratory resistance during whole ... by Anderson, Alethea J.; Babcock, Mark A. / Journal of Sports Science and Medicine
L], the proximal end of the endotracheal tube was connected to a pneumotachograph, and the signals of flow and transpulmonary pressure were recorded on a computer.
Effects of inhaled brevetoxins in allergic airways: toxin-allergen ... by Baden, Daniel G. / Environmental Health Perspectives
 
 
 
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