What is the best drug for the following rhythm disorder shown below?: (A) Esmolol, (B) Amiodarone, (C) Vernakalant, (D) Lignocaine
Answer is B. The video shows Atrial flutter with a 4:1 block with normal hea rate. To stabilize the macro-reentrant circuit, for rhythm control amiodarone is used. Amiodarone acts on multilple channels and pathways:- Na channel blocker K+ channel blocker Ca+ channel blocker b-blocker propey