1. Having a tonic effect on the heart. ... 2. An agent that has a tonic effect on the heart. ... (18 Nov 1997) ... Found on http://www.encyclo.co.uk/local/20973
Type: Term Pronunciation: kar′dē-ō-ton′ik Definitions: 1. Exerting a favorable, so-called tonic effect on the action of the heart; usually intended to indicate increased force of contraction. Found on http://www.medilexicon.com/medicaldictionary.php?t=14524