Modified AACN screening criteria examples.

Abbreviations: AACN, American Association of Critical-Care Nurses; ET, endotracheal tube; $FIO2$⁠, fraction of inspired oxygen; ICP, intracranial pressure; ICU, intensive care unit; PEEP, positive end-expiratory pressure; RASS, Richmond Agitation-Sedation Scale.

Adapted with permission from the American Association of Critical-Care Nurses.³⁶