患者,男,26岁,病程2个月。临床表现:活动后心悸、气促。体检:各心脏瓣膜听诊区未闻及杂音。心电图示左心室肥厚,下壁心肌梗死。胸部X线片示心影增大,心胸比例0.55,左心缘局限性突出。超声心动图检查诊断左心室肿瘤,大小约3.0cm×4.1cm,与室间隔似有一蒂相连,左室短轴缩短率27%, Patients, male, 26 years old, duration of 2 months. Clinical manifestations: palpitations after activity, shortness of breath. Physical examination: the heart valve auscultation area did not smell and noise. ECG left ventricular hypertrophy, inferior myocardial infarction. Chest X-ray showed increased heart rate, heart rate 0.55, left heart margin prominent. Echocardiography diagnosis of left ventricular tumors, the size of about 3.0cm × 4.1cm, similar to the interventricular septum with a pedicle, left ventricular fractional shortening rate of 27%