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Right ventricular/vascular coupling during acute pulmonary hypertension

机译:急性肺动脉高压期间的右心室/血管耦合

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摘要

The ventricular/vascular coupling of the intact right heart was investigated under normal conditions as well as conditions of acute pulmonary hypertension. The normal right ventricle operates at maximum efficiency and submaximal stroke work under normal loading conditions. With acute pulmonary hypertension, the effective afterload increases to a situation where the effective afterload is greater than end-systolic time-varying elastance which is characterized by a decrease in stroke volume and the advent of ventricular pump failure.
机译:在正常情况下以及急性肺动脉高压情况下,对完整右心室的心室/血管耦合进行了研究。正常的右心室在正常负荷条件下以最大的效率工作,而次冲程工作最大。对于急性肺动脉高压,有效后负荷增加到这样一种情况,即有效后负荷大于收缩末期随时间变化的弹性,其特征是每搏输出量的减少和心室泵衰竭的出现。

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