Mechanism of action of levosimendan include:: (A) Na channel opener, (B) K channel opener, (C) Beta blocker, (D) Beta 1 agonist
Answer is B. Ans. (B) K channel opener(Ref: Katzung 11th/e p.221)Levosimendan is an inodilator that act by[?]Ca2+ sensitizing action by binding to troponin-C (inotropic action)[?]K+ Channel opening action -- (responsible for vasodilation)