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目的归纳总结婴幼儿小剂量应用洋地黄类药物中毒的心电图(ECG)特征。方法回顾性分析23例洋地黄中毒心脏直视术后患儿临床资料,ECG特征。结果所有患儿均有ECG改变,但无明显特征性改变,以窦性心律合并室性早搏、房室传导阻滞多见,亦有由给药前单源室早转多源室早、房室传导阻滞加重或房颤心室率转变等表现;少数有消化道出血。结论婴幼儿洋地黄中毒发病率较高,ECG改变多样化,诊断主要依靠临床结合ECG改变。
Objective To summarize the electrocardiogram (ECG) characteristics of digitalis toxicity in infants and young children. Methods The clinical data and ECG features of 23 children with digitalis poisoning after open heart surgery were retrospectively analyzed. Results All patients had ECG changes, but no significant changes in the characteristics of sinus rhythm with premature ventricular contractions, atrioventricular block more common, but also by the pre-dose single-ventricular prematurely transferred multi-source room early, room Ventricular conduction block or atrial fibrillation ventricular rate change performance; a few have gastrointestinal bleeding. Conclusions The incidence of digitalis poisoning in infants and young children is high, and the changes of ECG are diversified. The diagnosis depends mainly on clinical and ECG changes.