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General Medicine · Gastroenterology: acute liver failure
Sample itemA 22-year-old develops jaundice, confusion and INR of 2.5 within 10 days. There is no earlier liver disease. Which is the most appropriate definition and action?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Acute liver failure; transfer to a transplant-capable centre and start N-acetylcysteine
Acute liver failure is coagulopathy (INR 1.5 or more) and encephalopathy within 26 weeks in a patient without prior cirrhosis. Management is intensive care, treating the cause, N-acetylcysteine (beneficial even in non-paracetamol cases) and early referral for transplantation. Cerebral oedema is the major cause of death.
Option by option
A. Hepatic encephalopathy is unrelated; give lactulose only
Lactulose alone is inadequate in ALF.
B. Chronic liver disease; outpatient follow-up
Rapid onset in a healthy person is not chronic disease.
C. Wilson disease excluded; observe
Wilson disease must be considered, and observation alone is unsafe.
D. Acute liver failure; transfer to a transplant-capable centre and start N-acetylcysteine (correct)
Correct. This meets criteria and needs urgent specialist care.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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