n. an *inotropic drug used in the treatment of congestive heart failure to increase the force and output of the heart.
adj. affecting the contraction of heart muscle. Drugs such as *dobutamine, *dopamine, and *enoximone have positive inotropic action, stimulating heart muscle contractions and causing the heart rate to increase. *Beta-blocker drugs, such as *propranolol, have negative inotropic action, reducing heart muscle contractions and causing the heart rate to decrease.... inotropic
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