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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.

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