what does atenolol do
Atenolol is a selective Î²1 receptor antagonist, a drug belonging to the group of beta blockers (sometimes written Î²-blockers), a class of drugs used primarily in cardiovascular diseases.Introduced in 1976, atenolol was developed as a replacement for propranolol in the treatment of hypertension.tenolol is used for a number of conditions including: hypertension, angina, long QT syndrome, acute myocardial infarction, supraventricular tachycardia, ventricular tachycardia, and the symptoms of alcohol withdrawal.