having a tonic effect on the action of the heart.
a cardiotonic substance.
Origin of cardiotonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Relating to or having a favorable effect upon the action of the heart.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.