inotropic
[aɪnɒˈtrɒpɪk]
Definitions
1. adjective
relating to the contractility of cardiac muscle or the force of muscular contractions
“The cardiologist was studying the inotropic effects of a new medication on the patient’s heart.”
2. noun
a substance that affects the contractility of cardiac muscle
“The doctor prescribed an inotropic agent to improve the patient’s heart function.”