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概述急性心肌梗塞是常见的内科急症之一。心肌梗塞一般是由于持久与严重的心肌急性缺血引起部分心肌的坏死,产生具有相当特征的临床症侯群。绝大多数(95%以上)是由于动脉粥样硬化使冠状动脉一个或一个以上主支发生急性闭塞所致。其临床与心电图表现个体差异性较大,典型病例不难诊断,不典型的病例易于误诊漏诊而严重影响病人的预后。典型与不典型急性心肌梗塞的含义(一)“典型”急性心肌梗塞:1.临床症状典型,有持续性心前区或胸骨后疼痛,多数超过半小时或1小时以上。2.心
Overview Acute myocardial infarction is one of the most common medical emergencies. Myocardial infarction is usually due to persistent and severe acute myocardial ischemia caused by some myocardial necrosis, resulting in a fairly characteristic clinical syndrome. The vast majority (95% or more) is due to acute occlusion of at least one major coronary artery due to atherosclerosis. The clinical manifestations of ECG and individual differences are large, typical cases are not difficult to diagnose, atypical cases misdiagnosis and missed diagnosis and seriously affect the prognosis of patients. Typical and atypical acute myocardial infarction (a) “typical” acute myocardial infarction: 1. Clinical symptoms are typical of persistent anterior or sternal pain, most of more than half an hour or more than 1 hour. Heart