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Anaesthesia · Intravenous agents: flumazenil risk
Sample itemWhy should flumazenil be used cautiously in a patient on long-term benzodiazepines and tricyclic antidepressants?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. It can precipitate withdrawal seizures
Reversal in chronic users precipitates acute withdrawal and may unmask seizure activity, especially with proconvulsant drugs like tricyclics. Doses should be titrated slowly.
Option by option
A. It causes malignant hyperthermia
Malignant hyperthermia is unrelated to flumazenil.
B. It causes severe hypotension
Hypotension is not a typical effect.
C. It can precipitate withdrawal seizures (correct)
Correct. Withdrawal seizures are the main risk.
D. It causes profound sedation
Flumazenil reverses sedation.
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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