SaO2

Introduction

Hemoglobin saturation

Indications

• values < 88% are consistent with hypoxia

Reference interval

94-100%

Methods

• obtained by pulse oximetry

More general terms

• point of care test
• hemoglobin oxygen saturation

Additional terms

• hemoglobin-oxygen affinity; pO2 for 50% hemoglobin saturation with oxygen; oxygen P50