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Articles of Interest - Respiratory Care
ROX Index with Patients on HFNC
ROX Index = (SpO2/FiO2)
ROX index greater than or equal to 4.88 is predictive of HFNC success
HFNC failure was predicted with ROX index of less than or equal to:
- 2.85 at 2 hours
- 3.47 at 6 hours
- 3.85 at 12 hours
Remember: If the Respiratory Rate and/or FiO2 increases a lot, the patient is deteriorating.
Clinical Practice Guidelines