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心电交替可单独见于QRS波群、T、P和U波,或合并出现。单纯S-T段电交替较为罕见,现将我们所见1例介绍如下。患者男性,59岁,因劳力性心绞痛2月,加重2天,于1986年8月18日急诊入院。入院前2天突感心前区压榨性疼痛,伴出汗,用药不能缓解,即来院急诊。心电图示心内膜下心肌梗塞,患者有高血压史20余年,1983年有脑血栓形成。体检:P82次/分,BP150/110,神志清,肥胖,心界稍大,心律规则,心尖区闻及Ⅱ级收缩期杂音,两肺无罗音;肝未触及,下肢无浮肿。实验室检查:血糖、血脂、血清电解质均在正常范围内。血清
ECG alternation can be seen in the QRS complex alone, T, P and U waves, or combined appear. Simple S-T segment alternating electricity is relatively rare, now we see a case described below. Male, 59 years old, exacerbated by exertional angina in February for 2 days and was admitted to the emergency department on August 18, 1986. 2 days prior to admission, sudden presponeal exacerbation of pain, sweating, medication can not be alleviated, that is to hospital emergency. ECG endocardial myocardial infarction, patients with hypertension history of more than 20 years, 1983 cerebral thrombosis. Physical examination: P82 / min, BP150 / 110, clear mind, obesity, heart slightly larger, heart rate rules, apex area smell and Ⅱ systolic murmur, lung no Luo Yin; liver not touched, lower extremity no edema. Laboratory tests: blood glucose, blood lipids, serum electrolytes are in the normal range. serum