Pharmacology A.N.S. d14a0ee5 Which of the following beta blocker doesn't cause bradycardia? A Pindolol B Labetalol C Bisoprolol D Atenolol High-Yield Explanation Ans. A. PindololPindolol is beta blocker with intrinsic sympathomimetic activity. These drugs themselves activate beta 1/2 sub maximally.