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急性心肌梗塞的特殊临床表现和并发症在人体各系统的表现有:心血管系统方面(一)无痛型心肌梗塞,发生率国内报告为18.5～34.4%,多伴有休克或心力衰竭,有不同程度的胸闷,毫无症状者仅占极少数.有报告在9501位健康人中,五年内未被察觉的心肌梗塞发病率为3.6‰。对无痛原因尚无完满解释.有认为疼痛可被其它严重疾病所遮盖;或因冠状动脉骤然闭塞,心肌立刻发生坏死,未能释放出足量的代谢产物引起疼痛;或因梗塞面积较小,扩展缓慢而不发生疼痛.(二)心力衰竭型心肌梗塞:心肌梗塞多发生于左心室,当左心室心肌损坏超过30%以上时,就可能发生心衰,前壁心肌梗塞比下壁更易发生心衰,二处以上的心肌梗塞或多次发生梗塞者,心衰的发生率较高.如果心肌梗塞导致乳头肌功能不
Acute myocardial infarction in the special clinical manifestations and complications in the performance of the various systems of the human body are: cardiovascular system (a) painless myocardial infarction, the incidence of domestic reports of 18.5 to 34.4%, often accompanied by shock or heart failure, there Different degrees of chest tightness, asymptomatic only a very small number have been reported in 9501 healthy people, within five years the incidence of myocardial infarction was not detected 3.6 ‰. There is no complete explanation for painless causes, there is that the pain can be covered by other serious diseases, or due to sudden coronary occlusion, myocardial necrosis immediately, failed to release sufficient metabolites cause pain, or due to small infarct size , Slow expansion without pain. (B) heart failure myocardial infarction: myocardial infarction occurred in the left ventricle, when left ventricular myocardial damage more than 30%, heart failure may occur, anterior myocardial infarction easier than the next wall Heart failure occurs, more than two myocardial infarction or multiple infarctions, the incidence of heart failure is higher.If myocardial infarction causes papillary muscle function is not