男性,62岁,汉族。因头痛、头晕12年,胸闷、气短伴夜尿增多5年,加重1周,于1997年3月17日入院。患者1985年发现血压增高,最高达24/17.5KPa(180/130mmHg)左右,诊断为“原发性高血压”,给予降压对症治疗。8年后出现活动时胸闷、气短,心电图有缺血性ST—T改变及频发室早,诊断为“原发性高血压Ⅲ期、高心合并冠心及左心功能不全”。又因血钾低至3.3mmol/L,故除给予心痛定、巯甲丙脯酸和 Male, 62 years old, Han nationality. Due to headache, dizziness 12 years, chest tightness, shortness of breath with nocturia increased for 5 years, an increase of 1 week, on March 17, 1997 admission. Patients found in 1985 increased blood pressure, up to 24 / 17.5KPa (180 / 130mmHg) or so, diagnosed as “essential hypertension”, given antihypertensive symptomatic treatment. 8 years after the event of chest tightness, shortness of breath, ECG has ischemic ST-T changes and frequent premature ventricular contractions, the diagnosis of “essential hypertension in the third phase, high heart with coronary heart disease and left ventricular dysfunction.” Because of blood potassium as low as 3.3mmol / L, so in addition to giving heartache, captopril and