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患者崔××,女,59岁。高血压史10年余。平时无心前区痛史。1974年3月31日突然发作心前区及上腹痛,伴恶心,经用硝酸甘油后症状好转。同日夜间同样症状又发作,复用硝酸甘油不能缓解。4月1日来本院描记心电图(甲)显示;寨性心律,Ⅱ、Ⅲ、aVF均出现Q波,时间0.04秒,Ⅲ、aVF深度超过R波1/4,Ⅲ、aVF ST段抬高1毫米,T波负正双相。查血沉22毫米/1小时,乳酸脱氢酶800单位。诊为急性下壁心肌梗塞。住院后症状逐渐缓解。4月3日描记心电图复查时(乙):窦性心律,Ⅰ呈qR型、Ⅲ为γS型,电轴左偏-35°,Ⅱ、Ⅲ,aVFQ波消失,仅表现为左前分支阻滞,
Cui × × patients, female, 59 years old. Hypertension more than 10 years. Usually no heart area pain history. March 31, 1974 sudden onset of precordial area and upper abdominal pain, with nausea, after the symptoms improved with nitroglycerin. The same night the same symptoms at the onset of the night, reuse nitroglycerin can not be alleviated. The electrocardiogram (A) was recorded in our hospital from April 1; Q wave was found in II, III, and aVF in ZA, with a time of 0.04 seconds, and the depth of Ⅲ and aVF exceeded the level of R wave 1/4, Ⅲ and aVF ST segment elevation 1 mm, T wave is negative biphasic. Check Shen Shen 22 mm / 1 hour, lactate dehydrogenase 800 units. Diagnosis of acute inferior myocardial infarction. Symptoms gradually ease after hospitalization. April 3 ECG review (B): sinus rhythm, Ⅰ was qR type, Ⅲ γS type, the left axis deviation of -35 °, Ⅱ, Ⅲ, aVFQ wave disappeared, only showed the left anterior branch block,