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心脏电复律

ID: ANH00019chis
医学动画文字记录:如果有心律异常,医生可能会使用电击给你做电复律来恢复正常心跳。心脏通常有规律地跳动,每分钟跳动60~100次。这种稳定而协调的节律使心脏能够有效地泵血。通过心脏传递的电信号控制着心脏的节律。这些电信号开始于一簇称为窦房结或起搏器的细胞。窦房结位于称为右心房的右上心室壁。当电信号到达心肌时,就会引起心肌收缩并泵血。不正常的心率叫做心律失常。在房颤期间,心房颤动是因为心脏中混乱的电信号导致异常快速或不规则的心跳。由于心脏跳动异常,血液可能聚集在心房,从而形成血栓。如果血凝块进入全身循环,就可能导致卒中。在手术前,首先建立静脉通路。你会被注射镇定剂,这样你就能在手术过程中进入睡眠状态。将心电图电极放置在胸部以监测心电活动。注射镇定剂之后,将专门的心脏转复垫或桨放置在胸部或/和背部的皮肤上。这些电垫或电桨将通过胸部向心脏发送电流。这种电流可能会重复几次,直到心脏恢复正常节律。在电转复后,你将在康复室或医院的冠状动脉护理病房接受密切监测。镇定剂失效且情况稳定后你就可以出院回家。

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