NCIt definition : A synthetic isopropylamino-propanol derivative used as an antihypertensive, hypotensive
and antiarrhythmic Atenolol acts as a peripheral, cardioselective beta blocker specific
for beta-1 adrenergic receptors, without intrinsic sympathomimetic effects. It reduces
exercise heart rates and delays atrioventricular conduction, with overall oxygen requirements
decreasing. (NCI04);