作者用美多心安(Metoprolol)治疗一组心肺功能不全患者的多源性房性心动过速(MAT)取得满意效果,既往文献对此尚无报道。对象及方法:MAT患者25例(男17、女8),平均年龄68岁(51--87岁),其中患有慢性阻塞性肺病(COPD)者20例、缺血性心脏病7例、肺炎5例、扩张性心肌病5例、肺癌2例、胸外恶性肿瘤3例、凤心病2例。低血容量2例.15例伴有其它心律失常。所有患者均为控制过快的心室率(≥ The authors obtained satisfactory results with metoprolol in the treatment of multiple source atrial tachycardia (MAT) in a group of patients with cardiopulmonary insufficiency, which has not been reported in the past literature. PARTICIPANTS AND METHODS: Twenty-five patients (17 males and 8 females) with a mean age of 68 years (51-87 years), 20 with COPD, 7 with ischemic heart disease, 5 cases of pneumonia, 5 cases of dilated cardiomyopathy, 2 cases of lung cancer, 3 cases of extrathoracic malignant tumor, and 2 cases of phoenix’s heart disease. 2 cases of hypovolemia, 15 cases with other arrhythmias. All patients had fast ventricular rate control (≥