hydrogenated ergot alkaloids (Hydergin), hydralazine (Apresoline), and hexamethonium chloride (Esomid; Hexameton).Our previous experience with the veratrum preparations led us to exclude them in this study.MATERIAL AND METHODS The basis of this report is a study of all hypertensive patients admitted to a general medical and surgical hospital during an 18-month period ending July, 1953.