摘要(Abstract)：

<正> Cardiac rupture(CR)is a very severe complication and major lethal factor of acutemyocardial infarction(AMI),included free wall rupture,ventricular septal ruptureand papillary muscular rupture.In addition to the general clinical symptoms therewere some differences.The patients of ventricular septal rupture had cardiogenicshock,severe right ventricular failure and the murmur as the same as gencricventricular septal defect,papillary muscular rupture resulted severe mitralregurgitation,circulation failure and pulmunary-edima,there were rough systolicmurmur locatied in mitrai region,while free wall rupture occured,theconsciousness,breathless and Beau'disease syndrome were presented suddenly,inthe electrocrdiogram showed sinus rhythm,atrioventricular junctional rhythm,ventricilar rhythm,that was electricity-machine disconnection Treatment of cadacrupture is more diffcult prevention is eimportant The patients of acutemyocardial infarction especially initial pass through wall and no angina,no heartfailure in histry must be take care of carefully,inhibit myocadial systole in noinfarction region suitably,by lying in bed,preventing defecate dry,reducing bloodpressure,using β-blacker.Benefit of thrombolysis on following myocardialinfarction was doubtful in reducing cardiac rupture

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