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Loop diuretic monitoring — GPhC CRA MCQ

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ModerateCardiovascular TherapeuticsLoop diuretic monitoringGPhC CRA

A 79-year-old woman is newly prescribed furosemide 40 mg each morning for heart failure. She also takes ramipril. The GP asks what safety checks should be arranged after starting treatment. What monitoring is required?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: B — Urea, electrolytes, creatinine and blood pressure

Loop diuretics can cause dehydration, electrolyte disturbance and renal function changes. Monitoring renal function, electrolytes and blood pressure is important, particularly when combined with an ACE inhibitor. The patient should also be counselled about dizziness, thirst and reduced urine output.

Reference: BNF