1 临床资料例1,男,61岁.因劳累性心悸、阵发性呼吸困难、气短1年半,加重1月余,于1991年3月11日入院.体检:T36℃,R22次/min,BP14.3/11kPa.半卧位,口唇紫绀,颈静脉怒张,两下肺闻及湿罗音,心尖搏动弥散,心界向左右扩大,心率104次/min,律整,心尖区闻及Ⅲ级收缩期杂音.肝肋下1.5cm,中度下肢浮肿.实验室检查:血K~+4.6mmol/L.Na~+132mmol/L,Cl~-106mmol/L,尿常规正常.全胸片 1 clinical data example 1, male, aged 61. Due to fatigue palpitations, paroxysmal dyspnea, shortness of breath for 1 and a half years, more than 1 month, admitted to hospital on March 11, 1991. Physical examination: T36 ℃, R22 times / min , BP14.3 / 11kPa. Semi-recumbent position, cyanosis of the lips, jugular vein engorgement, two lung smelling and wet rales, apex pulsation dispersion, the heart to the left and right to expand, heart rate 104 beats / min, law, And Ⅲ grade systolic murmur liver 1.5cm lower extremity edema laboratory tests: blood K ~ +4.6 mmol / L.Na ~ +132 mmol / L, Cl ~ -106mmol / L, normal urine. Chest radiograph