inotropic agent


inotropic agent

Positive inotropic agent Cardiology A therapeutic agent that ↑ the strength and/or force of myocardial contraction; 2 major classes of positive inotropes: those that ↑ intracellular cAMP by stimulating the β-adrenergic receptor or inhibiting phosphodiesterase–eg, milrinone and those that ↑ intracellular sodium–eg, digoxin, vesnarinone, see there.