Except ventricular preexcitation, prevalences of abnormal ECG in male were higher than that in female;
除预激综合征外，其它异常心电图都是男性多于女性；
The frequencies of abnormal ECG increased along with ages, except sinus arrhythmias and preexcitation syndrome.
异常心电图除窦性心律失常、预激综合征外，异常率随年龄增高而递增；
Background-PRKAG2 mutations cause glycogen-storage cardiomyopathy, ventricular preexcitation, and conduction system degeneration.
背景-PRKAG2突变引起糖原贮积型心肌病，心室预激和传导系统退化。
Methods: 30 cases of familial preexcitation syndrome and 363 cases of sporadic patients were compared in clinical and electrophysiologic characteristics.
方法：总结了家族性预激综合征30例，散发性预激综合征363例，对两组患者的临床及电生理特点进行了比较。
Methods: 30 cases of familial preexcitation syndrome and 363 cases of sporadic patients were compared in clinical and electrophysiologic characteristics.
方法：总结了家族性预激综合征30例，散发性预激综合征363例，对两组患者的临床及电生理特点进行了比较。
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