All of the following statements about beta blockers are true except?: (A) Nebivilol is a cardioselective beta blocker, (B) Cardio selective beta blockers are relatively safe in asthma, (C) Beta blockers are contraindicated in acute CHF, (D) Atenolol is safe in renal failure
Answer is D. Cardio selective beta blockers: Esmolol (shoest acting, metabolized by pseudo cholinesterase) Betaxolol (reduces IOP, used in glaucoma) Atenolol (water soluble beta blocker, C/I in renal failure) Acebutolol & celiprolol (paial agonist) Metoprolol (cardio selective beta blocker) Cardio selective beta blockers are safe in asthma, PVD & DM Uses of cardio selective beta blockers:- Hypeension- Classical angina (C/I in variant angina)- MI- Chronic CHF (C/I in acute CHF)- Arrhythmia