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2获得性长QT综合征获得性长QT综合征(LQTS)远较先天性LQTS常见,也可导致尖端扭转型室性心动过速(TdP)、心脏骤停和猝死。获得性LQTS可分为以下几类:2.1药源性LQTS药源性LQTS的特征为:应用一种或几种可延长QT间期的药物后,发生QT间期延长,同时使TdP危险性升高[34]。大多数阻滞Kv
2 acquired long QT syndrome Acquired long QT syndrome (LQTS) is far more common than congenital LQTS can also lead to torsades de pointes (TdP), cardiac arrest and sudden death. Acquired LQTS can be divided into the following categories: 2.1 Drug-derived LQTS Drug-derived LQTS features: the use of one or more drugs can extend the QT interval, the QT interval prolongation, while the risk of TdP liter High [34]. Most block Kv