Treatment of essential hypertension with combined vasodilation and beta-adrenergic blockade.

Administration, Oral Adrenergic beta-Antagonists/administration & dosage,pharmacology,therapeutic use Adult Aged Blood Pressure/drug effects Diuretics/administration & dosage Female Guanethidine/therapeutic use Heart Rate/drug effects Humans Hydralazine/administration & dosage,pharmacology Hypertension/drug therapy,physiopathology Injections, Intravenous Male Methyldopa/therapeutic use Middle Aged Posture Propranolol/administration & dosage,pharmacology,therapeutic use Vasodilator Agents/administration & dosage

Adrenergic beta-Antagonists Diuretics Vasodilator Agents Hydralazine Methyldopa Propranolol Guanethidine