触发活动指该冲动必须由一个正常的动作电位所触发。近年研究证明,触发活动可能是临床上引起心律失常的重要机理之一。而低钾与触发活动的关系引起基础与临床工作者的重视。我们收治1例报告于下。 病例 女,46岁,主因反复发作晕厥4次住院,入院查体:神清一般情况尚好,Bp:15/9.5kPa,头颅无 Triggered activity means that the impulse must be triggered by a normal action potential. Recent studies have shown that triggering activity may be clinically one of the important mechanisms that cause arrhythmia. The relationship between hypokalemia and trigger activity caused by the foundation and clinicians attention. We treated 1 case reported below. Case female, 46 years old, mainly due to recurrent syncope 4 times in hospital, admission examination: Shen Qing general situation is still good, Bp: 15 / 9.5kPa, no head