心律失常是临床中的一种常见病 ,但因维生素Ｂ12致心律失常则很少见 ,我院曾遇到 1例 ,现报告如下。1　病例报告钟某 ,女 ,4 3岁 ,已婚 ,农民 ,家住衡山县城关。因突然抽搐 ,神志不清 2 0ｍｉｎ ,而于 2 0 0 1年 3月 2 1日3ＰＭ急诊入院。患者于当天下午 5点钟左右因感全身乏力 Arrhythmia is a common clinical disease, but due to vitamin B12-induced arrhythmias are rare, our hospital has encountered 1 case, are as follows. 1 case report Zhongmou, female, 43 years old, married, peasant, who lives in Hengshan county gate. Due to sudden convulsions, confusion 20min, and March 21, 2001 March 3PM emergency admission. The patient was feeling weakness around 5 pm the same day