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Inotropic agents

What are Inotropic agents

Inotropic agents affect the contraction of the heart muscle. Positive inotropes stimulate and increase the strength of heart muscle contraction causing the heart rate to increase. Negative inotropic agents weaken the force of muscular contractions.

Inotropic state depends on the amount of calcium in the cytoplasm of the heart muscle wall, as contractility of the heart depends on control of intracellular calcium i.e. control of calcium entry into the cell membrane and calcium storage in the sarcoplasmic reticulum. The main factors controlling calcium entry are activity of voltage gated calcium channels and sodium ions, which affects calcium/sodium ion exchange.

Positive inotropes usually increase the level of intracellular calcium and negative inotropes decrease it.

List of Inotropic agents:

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Drug Name DownUp( View by: Brand | Generic ) Reviews Ratings DownUp
Lanoxicaps (Pro, More...)
generic name: digoxin
1 review
Digitek (Pro, More...)
generic name: digoxin
0 reviews
Lanoxin (Pro, More...)
generic name: digoxin
0 reviews
Dobutrex (Pro, More...)
generic name: dobutamine
0 reviews
Inocor I V (Pro, More...)
generic name: inamrinone
0 reviews
Primacor (Pro, More...)
generic name: milrinone
0 reviews

See also...

Medical conditions associated with inotropic agents: