C. Antihypertensive Drugs 2. Clinicaluses (1)Hypertension single or combined with other drugs mild to moderate hypertension particularly useful in the treatment ofelderly patients, pure systolic hypertension, hypertension with heart failure (2)Other uses: diuretic, etc.2. Clinical uses (1) Hypertension single or combined with other drugs mild to moderate hypertension particularly useful in the treatment of elderly patients, pure systolic hypertension, hypertension with heart failure (2) Other uses: diuretic, etc. C. Antihypertensive Drugs