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变异型快-慢综合征系指未下传的房性早搏与阵发性心房扑动或心房颤动交替出现.当房性早搏消失后,即恢复正常。它不同于窦房结功能衰竭所出现的快-慢综合征,故称它为变异型快-慢综合征。作者遇到1例报道如下。
Fast variant - slow syndrome refers to the non-transmitted atrial premature beats and paroxysmal atrial flutter or atrial fibrillation alternating .When atrial premature beats disappear, that is back to normal. It is different from the fast-slow syndrome that occurs in sinus node failure, so it is called variant fast-slow syndrome. The author encountered one case reported below.