室间隔急性破裂为急性心肌梗塞的致命性并发症,其发生率占0.5～1％。典型症状为心肌梗塞后一周内出现双侧心力衰竭、休克及新发生的全收缩期杂音。因其杂音部位和心电图表现与急性二尖瓣反流相似,故两者不易区分。左室电影造影可估价 Acute rupture of interventricular septum is a fatal complication of acute myocardial infarction, the incidence of 0.5% to 1%. Typical symptoms are bilateral heart failure within one week after myocardial infarction, shock and new onset of all systolic murmur. Because of its murmur and ECG performance and acute mitral regurgitation similar, so the two are not easy to distinguish. Left ventricular imaging can be evaluated