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ACE inhibitor and potassium supplement — GPhC CRA MCQ

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HardDrug InteractionsACE inhibitor and potassium supplementGPhC CRA

An 84-year-old treated for hypertension reports dizziness on standing. BP is 142/78 mmHg supine and 118/64 mmHg after standing for one minute. Which interpretation matches NICE NG136?

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Correct answer: D — Postural hypotension is present; subsequent targets should use standing BP

After one minute standing, systolic BP has fallen by 24 mmHg and diastolic BP by 14 mmHg. Either exceeds the NICE postural thresholds of 20 mmHg systolic or 10 mmHg diastolic. Likely causes, including current medicines, should be reviewed. Subsequent BP measurements and the treatment target should be based on standing BP rather than a supine-standing average.

Reference: NICE NG136: https://www.nice.org.uk/guidance/ng136/chapter/recommendations