Cardiotonic agent

In medicine and pharmacology, cardiotonic agents are "agents that have a strengthening effect on the heart or that can increase cardiac output. They may be cardiac glycosides; sympathomimetics; or other drugs. They are used after myocardial infarct; cardiac surgical procedures; in shock; or in congestive heart failure (heart failure)."

Examples of sympathomimetic cardiotonic agents include:

Examples of cardiac glycosides cardiotonic agents  include:

Examples of phosphodiesterase inhibitors cardiotonic agents  include: