129. A patient with severe heart failure is prescribed digoxin. From a medicinal perspective, what is the technical pathophysiological mechanism of digoxin?
A.
Increases heart rate.
B.
Inhibits Na+/K+-ATPase, increasing intracellular calcium and myocardial contractility (positive inotropy).
✓
C.
Directly dilates blood vessels.
D.
Decreases preload.
📖 Additional Information
Increases heart rate.
Inhibits Na+/K+-ATPase, increasing intracellular calcium and myocardial contractility (positive inotropy).
