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Anaesthesia · Post-cardiac arrest care: timing of prognostication
Sample itemWhen should multimodal neurological prognostication be performed after cardiac arrest?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
C. At least 72 hours after return to normothermia
Sedatives, hypothermia and metabolic disturbance confound early examinations. Prognostication therefore waits at least 72 hours after return to normothermia and combines examination, EEG, imaging, evoked potentials and biomarkers. Decisions are never based on a single test.
Option by option
A. Immediately on arrival to the unit
Immediate assessment is unreliable.
B. Only after discharge
Prognostication is needed during the ICU stay.
C. At least 72 hours after return to normothermia (correct)
Correct. A delay of at least 72 hours avoids false pessimism.
D. Within 6 hours
Six hours is too early.
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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