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心肌梗塞的即时和远期预后和心肌坏死的量有关。动物实验表明,通过合适的治疗可能缩小梗塞的范围。临床上评价保护缺血心肌的方法尚有许多困难。动物实验证明心前区心电图标测对估计心肌梗塞的大小有相当价值,但用于人体时,有些报告认为其价值有限。本文旨在通过心肌肌酸激酶同功酶(CK-MB)的总释放量,分析心电图上出现Q波、R波消失、ST段抬高在估计心肌梗塞大小中的价值。方法:47例46～75岁的新近心肌梗塞病人,有传导障碍及Ⅱ～Ⅲ度房室传导阻滞者均剔除。所有前壁心肌梗塞病人均作心前区心电图标测,标测5×7总共35个位点,使用不能擦去的墨水标记,俾使重复记录时电极位置准确。在平静呼吸时同时记
The immediate and long-term prognosis of myocardial infarction is related to the amount of myocardial necrosis. Animal experiments show that by appropriate treatment may reduce the scope of infarction. There are still many difficulties in the clinical evaluation of methods of protecting ischemic myocardium. Animal experiments show that precordial ECG measurements are of considerable value in estimating the size of a myocardial infarction, but some are reported to have limited value when used in the human body. This article aims to analyze the total release of myocardial creatine kinase isoenzyme (CK-MB), the analysis of ECG appears on the Q wave, R wave disappeared, ST segment elevation in the estimation of the value of myocardial infarction size. Methods: Forty-seven patients with recent myocardial infarction between 46 and 75 years old with conduction disturbance and Ⅱ ~ Ⅲ degree atrioventricular block were excluded. All patients with anterior myocardial infarction were precordial ECG, measuring 5 × 7 a total of 35 sites, using ink can not be erased mark, so that repeat the recording electrode position accurately. In the calm breathing at the same time mind