What are positive inotropic agents?

Increase myocardial contractility and thus CO all result from increased cytoplasmic Ca enhancing myocardial cotractility via different mechanisms These agents are associated with reduced survival in pt w/HFrEF, so they are only used for a short period inpatients. Indications (Decompensated congestive HF, Cardiogenic shock, septic shock, cardiomyopathy)