Patients were also excluded if they had any of the following a history of a serious symptomatic ventricular arrhythmia; severe, frequent, or exercise limiting angina pectoris; a myocardial infarction within the previous three months; severe primary pulmonary, renal, or hepatic disease; a systolic blood pressure below 85 mm Hg; or a serum potassium concentrat
Patients were also excluded if they had any of the following a history of a serious symptomatic ventricular arrhythmia; severe, frequent, or exercise limiting angina pectoris; a myocardial infarction within the previous three months; severe primary pulmonary, renal, or hepatic disease; a systolic blood pressure below 85 mm Hg; or a serum potassium concentrat