患者男,63岁。因心悸加重入院。心电图检查发现“室性早搏”(图1),超声心动图未见明显异常,患者服莫雷西嗪450mg/d治疗。无晕厥史,未接受过其他抗心律失常药物治疗,否认高血压和糖尿病史。服药2周时仍诉心悸,心电图检查见图2。为此急查心肌生化标记物,均未见异常,急诊观察。与图1比较,图2中V1~V3导联ST段显著抬高,伴T波 Male patient, 63 years old. Due to heart palpitations increased admission. Electrocardiogram found “premature ventricular contractions ” (Figure 1), echocardiography no obvious abnormalities, the patient taking Moresilizin 450mg / d treatment. No history of syncope, did not receive other antiarrhythmic drug treatment, denied the history of hypertension and diabetes. Medication still complained heart palpitations 2 weeks, ECG examination shown in Figure 2. To this emergency check myocardial biochemical markers, no abnormalities, emergency observation. Compared with Figure 1, Figure 2, V1 ~ V3 lead ST segment was significantly elevated, with T wave