心源性休克(Cardiogenic Shock,CS)是指在适当的容量负荷情况下,收缩压<90mmHg,临床出现重要脏器的低灌注状态,血流动学指标心脏指数<1.8 L/min·m~(-2)、肺毛细血管楔压>20 mmHg。急性心肌梗死并发心源性休克最主要的原因是大面积心肌坏死所致的左室功能障碍,其梗死范围(包括严重缺血的濒危心肌)通常超过左心室重量的 Cardiogenic Shock (CS) refers to the systolic blood pressure <90mmHg under the condition of proper capacity load. The low perfusion state of vital organs, hemodynamics cardiac index <1.8 L / min · m ~ -2), pulmonary capillary wedge pressure> 20 mmHg. The most common cause of cardiogenic shock in acute myocardial infarction is left ventricular dysfunction caused by extensive myocardial necrosis whose infarct size (including severely ischemic endangered myocardium) usually exceeds left ventricular mass