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急性心肌梗塞的坏死部位一般经6～8周后逐渐形成瘢痕而愈合,称为愈合性心肌梗塞。梗塞后的第一年中,某些人仍处于再梗塞和心律失常的危险之中,以下临床征象提示心肌梗塞患者的后期预后不良:(1)急性心肌梗塞区域较广泛。(2)反复或持久出现左心功能不全的症状,静息时心率明显增快,心尖部持久出现舒张早期奔马律。(3)心绞痛症状反复发作和加重者。(4)活动时出现心电图中明显
The necrotic parts of acute myocardial infarction generally gradually formed after 6 to 8 weeks of scar healing, known as the healing of myocardial infarction. Some people are still at risk of reinflation and arrhythmia in the first year after infarction. The following clinical signs suggest poor prognosis in patients with myocardial infarction: (1) A wider area of acute myocardial infarction. (2) repeated or lasting symptoms of left ventricular dysfunction, heart rate was significantly increased at rest, apical long lasting diastolic gallop. (3) recurrence and aggravating symptoms of angina. (4) activity appears obvious in the ECG