inotropic
adjective
ino·tro·pic ˌē-nə-ˈtrō-pik 
ˌī-nə-,
-ˈträ- : increasing or decreasing the force of muscular contractions
… the long-term effect of this type of positive inotropic agent on the survival of patients with chronic heart failure has not been determined.
Milton Packer et al.
Milton Packer et al.
Word History
Etymology
International Scientific Vocabulary ino- (from Greek in-, is sinew) + -tropic
First Known Use
1903, in the meaning defined above
Medical Definition
inotropic
adjective
ino·tro·pic ˌē-nə-ˈtrō-pik ˌī-nə-
ˌī-nə- -ˈträp-ik
: influencing muscular contractility : increasing or decreasing the force of muscular contractions
digitalis is a positive inotropic agent