Biochem/physiol Actions Simple, non-glycoside cardiotonic agent, possibly via its phosphodiesterase III (PDE-III) inhibitory action.1 Simple, non-glycoside cardiotonic agent, possibly via its phosphodiesterase III (PDE-III) inhibitory action.1 Independent of its cardiac effects, amrinone provides protection against ischemia-reperfusion injury in kidney,2 liver,3 and heart.4 |