A 72-year-old man on digoxin for AF presents with nausea, visual halos, and confusion. He has been taking clarithromycin. ECG shows bradyarrhythmia. L...

Question

A 72-year-old man on digoxin for AF presents with nausea, visual halos, and confusion. He has been taking clarithromycin. ECG shows bradyarrhythmia. Likely cause?

Accepted Answer

Digoxin toxicity due to interaction

Answer

Digoxin underdose

Answer

No relation to antibiotics

Answer

Electrolyte excess K⁺

Answer

Beta-blocker overdose

prescribing safety assessment MCQ (SBA): Digoxin Toxicity

A 72-year-old man on digoxin for AF presents with nausea, visual halos, and confusion. He has been taking clarithromycin. ECG shows bradyarrhythmia. Likely cause?