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TTM Post Cardiac Arrest — FRCA Final MCQ

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ModerateIntensive Care MedicineTTM Post Cardiac ArrestFRCA Final

What is the recommended target temperature for targeted temperature management (TTM) after out-of-hospital cardiac arrest with return of spontaneous circulation?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: A — Avoid fever (maintain <37.5°C) for 72 hours

TTM2 trial (2021): no difference in mortality between 33°C and 36°C targets. Current ERC/RCUK 2024 guidelines recommend avoiding fever (target <37.5°C) for ≥72 hours post-ROSC in unconscious patients. Active cooling to 33°C no longer routinely recommended. Prevention of hyperthermia is the key intervention.

Reference: RCUK – 2024 – Post-resuscitation care; TTM2 Trial – 2021