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Fig. 1 | Intensive Care Medicine Experimental

Fig. 1

From: Effect of positive end-expiratory pressure on additional passive ventilation generated by CPR compressions in a porcine model

Fig. 1

A Representative end-tidal carbon dioxide tracing obtained while performing cardiopulmonary resuscitation during this study demonstrating the oscillation of expired carbon dioxide superimposed on the typical end-tidal carbon dioxide tracing. The oscillations of air seen superimposed on the fixed breath were seen for all PEEP levels. B Identification of the components of a representative breath. Vt is exhaled tidal volume. Vc is volume of carbon dioxide moved during compressions. Te is exhalation time. Ti is inspiration time

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