Objective To analyze conduction the occurrence and prognosis of blockade after transcatheter closure of perimembranous ventricular septal defect(PMVSD).
目的分析经导管膜周部室间隔缺损（PMVSD）封堵术后传导阻滞发生及转归情况。
Objective To analyze conduction the occurrence and prognosis of blockade after transcatheter closure of perimembranous ventricular septal defect(PMVSD).
目的分析经导管膜周部室间隔缺损（PMVSD）封堵术后传导阻滞发生及转归情况。
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