Thursday, 28 June 2012

109.SHORTEST ACTING BETA BLOCKER

A.ESMOLOL
B.SOTALAL
C.BETAXALOL
D.PROPRANOLOL

ANS:ESMOLOL

It is a cardioselective, ultra-short-acting beta blocker that is rapidly metabolized by an esterase in the erythrocyte cytosol to an inactive metabolite. Its half-life is only nine minutes; therefore, one can minimize side effects simply by stopping infusion of the drug.

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