Driving Pressure Calculation ARDS — FRCA Final MCQ

Instant feedback + full explanation. One question, done properly.

ModerateIntensive Care MedicineDriving Pressure Calculation ARDSFRCA Final

ARDS: FiO2 0.6, PEEP 14, Vt 420 (6 mL/kg IBW), RR 26, Pplat 28. Driving pressure and is it OK?

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

Reveal the answer and explanation

Correct answer: C — 14 — within threshold ≤15

Driving pressure = Pplat-PEEP = 28-14 = 14. Amato 2015: DP <15 associated with improved survival. 14 is within range. DP better mortality predictor than Pplat or PEEP alone as it normalises Vt for compliance.

Reference: Amato – 2015 – Driving pressure in ARDS; ICS/BTS – 2023