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152例急性下壁心肌梗塞中111例并发心律失常,以房室传导阻滞最为多见。伴有胸前导联ST段异常组的心律失常、心衰发生率明显高于正常组。同时发现左回旋支阻塞致急性下壁心梗临床并不少见,其临床和心电图变化与右冠脉病变者不同,前者传导阻滞明显少于后者,ST段压低明显多于后者。
A total of 152 cases of acute inferior myocardial infarction in 111 cases complicated by arrhythmia, with atrioventricular block the most common. Associated with thoracic lead ST-segment abnormalities in arrhythmia, the incidence of heart failure was significantly higher than the normal group. Also found that left circumflex artery obstruction caused by acute inferior myocardial infarction is not uncommon, clinical and ECG changes and right coronary artery lesions are different, the former was significantly less conduction block, the ST segment depression was significantly more than the latter.