QT间期与RR间期对LQTS患者心脏事件的预警价值
摘要
先天性长QT综合征( long QT syndrome ,LQTS)是由于心脏钾离子或钠离子通道等基因突变(即离子通道病)产生的遗传性心律失常疾病[1]。此外,细胞膜电位改变也可诱发长QT综合征[2]。 LQTS发病率为1/7000-10000[3,4]。临床表现为突发室性心律失常,如尖端扭转型室性心动过速( torsades de pointes,TdP),引起急性心脏事件---晕厥、心脏停搏或心脏性猝死( sudden cardiac death ,SCD)等。
出处
《心电图杂志(电子版)》
2013年第1期21-23,共3页
Journal of Electrocardiogram(Electronic Edition)
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