患者,女,25岁,因感染性心肌炎——频发室性早搏入院。查体:BP:110/70mmHg,咽赤,双扁桃体Ⅱ度肿大,心率:80次/分,可闻及频发早搏,各瓣膜无病理性杂音,肝脾未触及,下肢无浮肿。ECG示心律失常一频发室性早搏呈二、三联律。用10％葡萄糖500ml加利多卡因注射液500mg静脉点滴3日,患者症状无明显改善,心电监护器仍呈频发室早伴间歇性室性二、 Patient, female, 25 years old, admitted to hospital due to infectious myocarditis - frequent ventricular premature beats. Examination: BP: 110 / 70mmHg, pharynx red, double tonsil Ⅱ degree enlargement, heart rate: 80 beats / min, can be heard and frequent premature beats, the valve without pathological noise, liver and spleen not touched, lower extremity no edema. ECG showed arrhythmia frequent premature ventricular contractions were two, triple the law. With 500ml of 10% glucose 500ml lidocaine 500mg intravenously drip three days, the patient’s symptoms did not improve significantly, ECG monitor is still frequent room early with intermittent ventricular II,