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连续住院年龄在65岁以上的急性心肌梗死119例患者中，55例为无痛性急性心肌梗死。统计结果表明，老年人无痛性急性心肌梗死的发生率为46％。发生率随增龄明显增加（P＜0．01）；女性显著高于男性（P＜0．01）多见于单部位梗死范围小者（P＜0．05）；急性期死因与突发的致死性心律失常密切相关（P＜0．05）。
Of the 119 patients with acute myocardial infarction who were hospitalized consecutively over the age of 65, 55 were painless acute myocardial infarctions. The statistical results show that the incidence of painless acute myocardial infarction in the elderly was 46%. (P <0.01). The incidence of the single infarction was significantly higher in women than in men (P <0.01) (P <0.05). The incidence of acute and sudden Fatal arrhythmia is closely related (P <0.05).