Science · Cardiovascular Drugs
Cardiac glycosides from Digitalis species increase the force of myocardial contraction primarily through which mechanism?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Direct stimulation of beta-1 adrenergic receptors
- 2Increasing potassium excretion
- 3Increasing intracellular calcium via Na+/K+ ATPase inhibition✓
- 4Decreasing intracellular calcium levels
Correct answer
Increasing intracellular calcium via Na+/K+ ATPase inhibition
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