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CPP Calculation TBI — FRCA Final MCQ

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EasyNeuroanaesthesiaCPP Calculation TBIFRCA Final

TBI patient: ICP 28 mmHg, MAP 80 mmHg. CPP and adequacy?

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

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Correct answer: E — 52 — inadequate, target >60

CPP = MAP - ICP = 80-28 = 52. BTF guidelines: target 60-70 mmHg. CPP 52 = inadequate, risks secondary ischaemia. Reduce ICP (osmotherapy, CSF drainage, sedation) and/or augment MAP. CPP >70 increases ARDS risk.

Reference: BTF – 2016 – Guidelines for severe TBI, 4th edition