<prompt> Mechanism of action of levosimendan include:Na channel openerK channel openerBeta blockerBeta 1 agonist  <response>: Ans. B K channel openerRef: Katzung 11the p.221Levosimendan is an inodilator that act by?Ca2 sensitizing action by binding to troponin-C inotropic action?K Channel opening action -- responsible for vasodilation 