患者,男,67岁,因“反复心悸,呼吸困难9年加重1周”收入院。既往无高血压、糖尿病史。入院体检:血压120/70 mmHg(1 mmHg=0·133 kPa),颈静脉无怒张,双肺呼吸音粗糙,双肺底可闻及细湿啰音,心浊音界向左下扩大,心率86次/min,可闻及期前收缩8~9次/min,心尖区可闻及收缩期2/6级杂音, Patient, male, 67 years old, due to “repeated heart palpitations, dyspnea nine years aggravating one week” income homes. No previous history of hypertension and diabetes. Admission physical examination: blood pressure 120/70 mmHg (1 mmHg = 0 · 133 kPa), no jugular vein engorgement, lung breath sounds rough, can be heard at the end of the lungs and fine wet rales, heart sounds bound to the lower left heart wide, heart rate 86 Times / min, can be heard and before the contraction of 8 to 9 times / min, apical area can be heard and systolic 2/6 level murmur,