Question

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

Answer 1

Answer:

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 output

• Positive 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.