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例1患儿男性,14岁.间断抽搐8年,拟诊“癫痫”治疗,近4年来症状时有发作,入院前发作1次.例2患儿男性,7岁.间断晕厥1年,每次发作均在玩耍高兴时发生.2例患儿入院后均行24h动态心电图检查,均发现多形性室性早搏,短阵多形性室性心动过速,给予倍他乐克治疗有效.例2基因检测为KCNE1、CASQ2基因突变.2例患儿确认为儿茶酚胺敏感性室性心动过速.
Example 1 children with children, aged 14. Intermittent convulsions for 8 years, the proposed diagnosis of “epilepsy” treatment, the last 4 years the symptoms of seizures, pre-admission episodes of 1. Example 2 children with male, 7 years old. Intermittent syncope for 1 year, each The second episode occurred when the play was happy.All the patients underwent 24-hour ambulatory electrocardiogram examination after admission, both found pleomorphic ventricular premature beats, braided pleomorphic ventricular tachycardia, giving metoprolol treatment effective. Example 2 Gene test for KCNE1, CASQ2 gene mutations in 2 cases of children identified as catecholamine-sensitive ventricular tachycardia.