The frequencies of abnormal ECG increased along with ages, except sinus arrhythmias and preexcitation syndrome.
2
方法选择我院预激综合征并发心房颤动的患者20例，对其心电图特点及表现进行回顾性分析。
Methods Pre-excitation syndrome in our hospital 20 patients with atrial fibrillation, ECG characteristics and performance of their retrospective analysis.
3
除预激综合征外，其它异常心电图都是男性多于女性；
Except ventricular preexcitation, prevalences of abnormal ECG in male were higher than that in female;
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