Weaning Predictors Bundle (RSBI / CROP / IWI)

Computes three bedside weaning predictors at once — RSBI, CROP, and IWI — from shared respiratory measurements, each with its own pass/fail reading, to help judge readiness for extubation during a spontaneous breathing trial.

Respiratory rate, f (breaths/min)

Tidal volume, VT (LITERS, e.g. 0.40 for 400 mL)

Dynamic compliance, Cdyn (mL/cmH2O) — for CROP

Maximum inspiratory pressure, PImax/MIP (cmH2O, positive magnitude, e.g. 30 for −30)

PaO2 (mmHg) — arterial oxygen tension

FiO2 (fraction 0.21–1.00, e.g. 0.40 for 40%)

PaCO2 (mmHg) — for alveolar gas equation

Barometric pressure (mmHg, ~760 at sea level)

Static compliance, Cst,rs (mL/cmH2O) — for IWI

SaO2 (PERCENT, e.g. 96 — not 0.96) — for IWI