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Digoxin toxicity — GPhC CRA MCQ

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ModerateCardiovascular TherapeuticsDigoxin toxicityGPhC CRA

An 81-year-old patient taking digoxin 125micrograms daily reports nausea, blurred yellow vision and new confusion. They recently started furosemide for oedema. What monitoring is required?

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Correct answer: E — Check digoxin concentration, renal function and electrolytes urgently

Nausea, visual disturbance and confusion are features of possible digoxin toxicity. Renal impairment and hypokalaemia from diuretic therapy can increase toxicity risk. Digoxin concentration, renal function and electrolytes should be assessed urgently.

Reference: BNF