n an oral beta blocker (trade name Tenormin) used in treating hypertension and angina; has adverse side effects (depression and exacerbation of congestive heart failure etc.)
Diltiazem worked especially well for black men, captopril for younger white men, and atenolol for older white men.
The former Vice President has had hypertension (high blood pressure); he takes several medicines (Dyazide, hydralazine and, lately, atenolol) to control it.
I saw the cardio doctor recently, and he was like, 'Oh, you have to take your medication atenolol, to lower blood pressure.