Daily SBT and safety screen eligibility
On eligible patient days, an SBT safety screen is performed. The bedside clinician may direct that an SBT not be performed for a given patient day for clinical reasons (Fig. An SBT will be considered performed if (1) the patient has an SBT failure per criteria (Fig. If no failure criteria are met acutely, the patient will have spontaneous parameters recorded including minute ventilation, tidal volume, respiratory rate, vital capacity, and maximum inspiratory pressure. The patient will then be evaluated for extubation, usually after 30 to 120 min. If no failure criteria are met, or the patient is not extubated after the standard period of time (usually up to 120 min), then they may be continued on a CPAP or PS mode utilizing the PS/CPAP computerized weaning protocol (PS up to 15-cm H