Something which strengthens, tones, or regulates heart functions without overt stimulation or depression.
Substance that regulates or strengthens heart action and metabolism; whatever the condition of the heart, a cardiotonic brings it back to a normal range of action.
A substance that strengthens or regulates heart metabolism without overt stimulation or depression. It may increase coronary blood supply, normalize coronary enervation, soften rigid arteries (thereby decreasing back-pressure on the valves), or decrease adrenergic stimulation. (Examples: magnesium, Hawthorn.)
A substance that has a strengthening or regulating effect on the heart.
Having a stimulating effect on the heart.
Has a tonic effect on the heart; increases force of contraction.
Exerting a favorable or enhancing effect on the heart, usually increased strength of contractions and cardiac output.
Increasing the tonicity of the heart. Various drugs, including digitalis, are cardiotonic.
A substance that strengthens the heart’s actions.
A compound that exerts a salutary impact on the operation of the cardiac organ by augmenting the potency and efficacy of its systoles.