At a subsequent syncopal attack, 24 hours ambulatory ECG was repeated and found intermittent complete atrioventricular block with prolonged ventricular asystole up to 19.4 SEC.
重复第二次的廿四小时心电图检查才发现间歇性房室传导完全阻断，最久的心跳停止时间长达19.4秒。
She subsequently developed complete atrioventricular block and a temporary intravenous pacemaker was applied.
接着，她出现完全性房室传导阻滞，使用临时性静脉起搏器。
She subsequently developed complete atrioventricular block and a temporary intravenous pacemaker was applied.
接着，她出现完全性房室传导阻滞，使用临时性静脉起搏器。
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