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Definition of Inotropic

Inotropic: Affecting the force of muscle contraction. An inotropic heart drug is one that affects the force with which the heart muscle contracts. Ionotropic can be negative or positive.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=38653
Last Editorial Review: 9/20/2012

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