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General Surgery · Trauma and burns: snake bite surgical considerations
Sample itemA man bitten by a viper has swelling, bleeding gums and a positive 20-minute whole blood clotting test. His leg compartments are soft. What is the recommended management?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
D. Anti-snake venom, with fasciotomy only if compartment syndrome is confirmed
Vasculotoxic bites cause coagulopathy and local necrosis, and polyvalent antivenom is given for systemic envenoming. Fasciotomy is not prophylactic because coagulopathy increases bleeding, so it is reserved for confirmed compartment syndrome after correction of clotting. Cutting, suction and tight tourniquets are harmful.
Option by option
A. Tourniquet and incision at the bite
Cutting and tourniquets are harmful.
B. Observation without antivenom
Coagulopathy needs antivenom.
C. Prophylactic fasciotomy in all cases
Prophylactic fasciotomy risks bleeding.
D. Anti-snake venom, with fasciotomy only if compartment syndrome is confirmed (correct)
Correct. Antivenom first, fasciotomy only for confirmed compartment syndrome.
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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