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短QT间期综合征(SQTS)是一种遗传性原发性心脏电子疾病,特征表现为心电图上异常短的Q-T间期,易发生房性或室性快速心律失常。近来已列入心脏结构正常心性猝死的遗侉性离子病名录。有报道SQTS发病早至1岁,提示这可能是婴儿猝死综合征的病因。QT多短才是太短?多个大样本人群研究表明健康人正常QTc男性350~450ms,女性360~460ms,因此,QTc男性<350ms、女性<360ms应考虑短Q-T间期。必须强调的是心率较慢时,Bazett公式
Short QT Syndrome (SQTS) is a hereditary primary cardiac electrical disorder characterized by an abnormally short Q-T interval on the ECG that is likely to develop atrial or ventricular tachyarrhythmias. Recently included in the cardiac structure of normal sudden cardiac death suicide list of diseases. It has been reported as early as 1 year old SQTS, suggesting that this may be the cause of sudden infant death syndrome. QT short is too short? Multiple large sample population studies have shown that normal healthy QTc men 350 ~ 450ms, women 360 ~ 460ms, therefore, QTc men <350ms, women should consider the short Q-T interval <360ms. It must be emphasized that the heart rate is slower when the Bazett formula