患者女,72岁,因头晕伴心慌、胸闷1月余,加重1周入院。查体:Bp18/12kPa,自主体位,双肺底闻及少许湿罗音,心界向左下扩大,闻及早搏,心率80次/min,律整,A_2>P_2,心尖有Ⅲ～Ⅳ级吹风样收缩期杂音。腹软,肝剑下3cm、肋下1cm,下肢无明显凹陷性浮肿。ECG示再发前间壁心梗、频发室性早搏,时呈Ront,慢性冠状动脉供血不足,拟诊冠心病、心律失常、左心功能不全。给予扩冠及慢心律100mg每日4次治疗,用 Female patient, 72 years old, because of dizziness with palpitation, chest tightness in more than 1 month, increased 1 week admission. Examination: Bp18 / 12kPa, autonomic position, both at the end of the lungs and a little wet rales, the heart bound to the lower left, smell and premature beats, heart rate 80 beats / min, law, A_2> P_2, apical Ⅲ ~ Ⅳ grade hair Systolic murmur. Abdominal soft, liver 3cm under the sword, ribs 1cm, lower limbs no obvious depression edema. ECG showed recurrent anterior myocardial infarction, frequent ventricular premature beats, when Ront, chronic coronary insufficiency, suspected coronary heart disease, arrhythmia, left ventricular dysfunction. Give crown and slow heart rate 100mg 4 times daily treatment, with