He had a syncopal attack this morning.
他今晨突然晕厥.
Positive criteria were syncopal attack, presyncope with systolic blood pressure less than 90 mm Hg and/ or heart rate below 60/ mm.
试验阳性标准为晕厥先兆伴收缩期血压<90mm Hg(1mm Hg=0.133kPa)和/或心率<60次/min。
At a subsequent syncopal attack, 24 hours ambulatory ECG was repeated and found intermittent complete atrioventricular block with prolonged ventricular asystole up to19.4 sec.
重覆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。
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