Rapid shallow breathing index (RSBI)
Predicts weaning success during a spontaneous breathing trial.
Inputs
0 of 2/min
When to use
- During a spontaneous breathing trial (minimal support).
Pearls and pitfalls
- Below 105 favors successful weaning; use with the full clinical picture.
Why use
Classic weaning predictor.
RSBI = respiratory rate ÷ tidal volume (L)