A 75-kg patient is on a ventilator and may be ready for extubation.A respiratory therapist assesses the patient's rapid shallow breathing index (RSBI).Which result best suggests that the patient is ready for a spontaneous breathing trial?

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The rapid,shallow breathing index (RSBI)can predict weaning success.An RSBI of less than 105 is considered predictive of weaning success.If the patient is receiving sedation,the medication is discontinued at least 1 hour before the RSBI is measured.If the patient meets criteria for weaning readiness and has an RSBI of less than 105,a spontaneous breathing trial can be performed.

A 75-Kg Patient Is on a Ventilator and May Be