1病例资料患者,男,69岁,因“间断胸闷10d,双下肢浮肿1周,加重1d”于2014年1月13日入院。患者入院前10d以来反复出现活动时胸闷,伴头晕,无咳嗽咳痰、心慌、发热、晕厥、胸痛等,1周前出现双下肢浮肿,无夜间阵发性呼吸困难,1d前胸闷加重,来我院就诊。既往史:高血压病、血脂异常、右肾结石、糖耐量异常、甲状腺结节、脂肪肝、肝囊肿等,入院前两个月有大量黑便1次,未就诊。服药史:长 1 case data, male, 69 years old, due to “intermittent chest tightness 10d, double lower extremity edema for 1 week, increase 1d ” was admitted on January 13, 2014. Patients complained of chest tightness, dizziness, cough and phlegm, palpitation, fever, fainting and chest pain, etc. since the first 10 days before hospital admission. There was edema of both lower extremities one week earlier and no paroxysmal nocturnal dyspnea. Our hospital. Past history: Hypertension, dyslipidemia, right kidney stones, impaired glucose tolerance, thyroid nodules, fatty liver, liver cysts, a large number of black urine two months before admission, did not visit. Medication history: long