The nursing instructor explains to students that positive inotropic action affects the heart in which way?

Positive inotropic effect means that it increases the contraction force of the heart, reducing the intracellular calcium level of the myocardium.

Explanation:

    Inotropism is a health science term to refer to the contraction capacity of the cardiac (myocardial) muscles. Inotropic action influences contractile force, velocity of  myocardial pressure development and ejection velocity.

Negative inotropic effect means contraction force decreases or decreases cardiac outputPositive inotropic effect means that it increases the contraction force of the heart, reducing the intracellular calcium level of the myocardium.

Positive chronotropic action increases

heart rate - tachycardia; cardiac contraction force, both  atrio and ventricles); conduction velocity in the atrioventricular node.

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