心脏前负荷 meaning in Chinese

cardiac preload

Among the pathophysiological mechanisms , the sudden shift from a positie to a negatie intrathoracic pressure plays an important role since it results on the one hand in an increased pressure gradient for systemic enous return and in cardiac preload and on the other hand in a decreased pressure gradient for left - entricular ejection and an increase in left - entricular afterload
在诸多病理生理学机制中，胸内正压向胸内负压的突然转换扮演了重要作用，一方面，是由于增加了体循环静脉回流的压力梯度和心脏前负荷，另一方面，降低了左室射血的压力梯度并增加了左室后负荷。