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Intensive Care Medicine Experimental
Fig. 7 | Intensive Care Medicine Experimental

Fig. 7

From: Automated expiratory ventilation assistance through a small endotracheal tube can improve venous return and cardiac output

Fig. 7

Pressure-volume loops from one subject during expiratory ventilation assistance (EVA). The left panel shows a decrease in measured left ventricular end diastolic pressure (gray circles) as expiratory pressure decreases. The right panel shows the same data, but with an estimate of transmural left ventricle pressure on the Y-axis. This demonstrates that negative expiratory pressure with EVA increases left ventricular wall tension

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