27th February 2024

A 56-year-old male attends the general practice.

A 56-year-old male attends the general practice. His recent blood test has showed a potassium level of 6mmol/L. He has chronic heart failure and hypertension for which he is taking regular medications. His medications are as follows:

DATE	DRUG NAME	DOSE	ROUTE	FREQUENCY	Prescriber’s Signature
10/1/21	GLYCERYL TRINITRATE	1-2 SPRAYS	SUBLINGUAL	PRN	DR
10/1/21	AMLODIPINE	10MG	ORAL	ONCE DAILY	DR
10/1/21	INDAPAMIDE	2.5MG	ORAL	ONCE DAILY	DR
10/1/21	SPIRONOLACTONE	25MG	ORAL	ONCE DAILY	DR
10/1/21	BISOPROLOL	1.25MG	ORAL	ONCE DAILY	DR
10/1/21	ASPIRIN	80MG	ORAL	ONCE DAILY	DR

Select the single most likely drug to be causing this patient’s electrolyte imbalance.

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