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Physiologic index · MC-034

ROX index

Estimate risk of failure during high-flow nasal oxygen

In development — calculation unavailable

This catalogue entry is not an approved clinical calculator. Its formula, interpretation and licensing have not been signed off. Do not use it to guide patient care.

Intended population or setting
Adults with acute hypoxemic respiratory failure receiving HFNO
Important cautions
Timing and disease population matter; not a substitute for close monitoring/intubation judgment
Specialities
Critical Care · Emergency Medicine · Respiratory Medicine and Sleep Medicine
Preferred source/version
ROX = (SpO2/FiO2)/RR
Review status
Draft · Original study to verify

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When released, this tool will support but not replace professional clinical judgement. Check current local guidance and the original source before use.