5. A patient on digoxin for heart failure presents with nausea, vomiting, and visual disturbances. Urgently, what is the most critical initial action a nurse should take?
A.
Administer an antiemetic.
B.
Check the patient's serum digoxin level and potassium level.
✓
C.
Increase the digoxin dose.
D.
Encourage oral fluid intake.
📖 Additional Information
Administer an antiemetic.
Check the patient's serum digoxin level and potassium level.