Paper I
2024 August (Supplementary) (2010 Scheme) · 40 marks · 120 min

Question

Enalapril

Q33 marksShort Notes

Answer

Enalapril is an ACE inhibitor (a prodrug, converted to its active metabolite enalaprilat in the liver).

MOA: enalaprilblocks angiotensin-converting enzyme↓angiotensin II formation → reduced vasoconstriction and aldosterone secretion → ↓peripheral resistance and ↓sodium/water retention; also reduces bradykinin breakdown.

Uses: hypertension, heart failure (mortality benefit), diabetic nephropathy (renoprotective), post-myocardial infarction.

Adverse effects: dry cough (bradykinin accumulation), hyperkalemia, first-dose hypotension, angioedema, teratogenicity (contraindicated in pregnancy), acute renal failure in bilateral renal artery stenosis.

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