The ECG abnormalities were commonly sinus bradycardia, ST-T changes, and myocardial ischemia while others mainly included premature beat, arrhythmia, conduction block, abnormal Q waves, and so on.
窦性心动过缓、ST-T改变、心肌缺血最常见，其他异常主要有早搏、心律不齐、传导阻滞、异常 Q 波、Q-T 间期延长等改变。
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