The following medications were noted on review of the client's home medication profile. Which of the medications would most likely potentiate or elevate serum digoxin levels?

The correct answer is C. Quinidine. (A) Hypokalemia can cause digoxin toxicity. Administration of KCl would prevent this. (B) Thyroid agents decrease digoxin levels. (C) Quinidine increases digoxin levels dramatically. (D) Theophylline is not noted to have an effect on digoxin levels.

Physiological Integrity: Pharmacological and Parenteral Therapies

Question

Options

AKCl
BThyroid agents
CQuinidine
DTheophylline

How the community answered

(34 responses)

A
12% (4)
B
3% (1)
C
76% (26)
D
9% (3)

Explanation

(A) Hypokalemia can cause digoxin toxicity. Administration of KCl would prevent this. (B) Thyroid agents decrease digoxin levels. (C) Quinidine increases digoxin levels dramatically. (D) Theophylline is not noted to have an effect on digoxin levels.

Topics

#digoxin toxicity#quinidine interaction#drug-drug interaction#serum drug levels

Community Discussion

No community discussion yet for this question.

Full NCLEX-RN Practice