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电风暴的最新定义为24 h内发作3次或3次以上明确的室性心动过速或心室纤颤,需要电除颤(或抗心动过速起搏)治疗的临床综合征。其首发症状多表现为晕厥或猝死,心电图显示为持续性或反复发作的室性心动过速和心室纤颤,对Ⅰ类和Ⅲ类抗心律失常药物不敏感,通常需要多次电除颤,病死率极高。电风暴的发生机制与交感神经的过度兴奋有关,急性期最有效的治疗方法是静脉注射β受体阻滞剂;对于非急性期的患者还可选择射频消融、置入型心律转复除颤器、双侧交感神经阻滞术。
The latest definition of an electrical storm is a clinical syndrome that requires definite defibrillation (or anti-tachycardia pacing) of definite ventricular tachycardia or ventricular fibrillation three or more episodes within 24 hours. The first symptom of the performance of more than syncope or sudden death, electrocardiogram showed persistent or recurrent ventricular tachycardia and ventricular fibrillation, Ⅰ and Ⅲ antiarrhythmic drugs are not sensitive, usually require multiple defibrillation, High mortality. The mechanism of electrical storm and sympathetic over-excitement related to the most effective treatment of acute phase is β-blocker intravenous injection; for patients with non-acute phase may choose to radiofrequency ablation, tachycardia cardioversion Bilateral sympathectomy.