Amrinone

**Definition:** A positive inotropic cardiotonic (CARDIOTONIC AGENTS) with vasodilator properties, phosphodiesterase 3 inhibitory activity, and the ability to stimulate calcium ion influx into the cardiac cell.

**Tree numbers:** - D02.092.080.085 - D03.383.725.050.085

**Synonyms:** - 5-Amino-(3,4'-bipyridine)-6(1H)-one - Amrinon