Cardiac Glycosides Flashcards
1
Q
Digoxin (Lanoxin): Indications
A
Heart failure, atrial fibrillation, atrial flutter.
2
Q
Digoxin: Mechanism of Action
A
Increases myocardial contractility by inhibiting the Na+/K+ ATPase pump, resulting in increased intracellular calcium.
3
Q
Digoxin: Contraindications
A
Ventricular fibrillation, hypersensitivity, caution in patients with renal impairment.
4
Q
Digoxin: Safety Considerations
A
Monitor for signs of toxicity (nausea, vomiting, visual disturbances), check apical pulse before administration.