患者男性,33岁,以反复胸闷8年,胸痛、气促3个月住院。体检;T、P、R正常,BP110/70,颈静脉充盈,心尖搏动弥漫,心界明显向左扩大,心率100次/分,心律不齐,P_2=A_2,心尖区闻及舒张早期奔马律,双肺(一),肝肋下2.5cm,脾未及,下肢凹陷性浮肿。胸片示心脏普遍性增大。二维超声心动图示:左房、左室扩大伴 Male patient, 33 years old, with repeated chest tightness for 8 years, chest pain, shortness of breath 3 months hospitalization. Physical examination; T, P, R normal, BP110 / 70, filling the jugular vein, apex diffuse heart, heart significantly expanded to the left, the heart rate 100 beats / min, arrhythmia, P_2 = A_2, apical zone smell and early diastolic Law, lung (a), liver ribs 2.5cm, spleen and lower limb depression edema. Chest radiograph shows increased heart universality. Two-dimensional echocardiography: left atrium, left ventricular enlargement