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Oxygen normal saturations

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

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  • Normal Oxygen Saturations
    • n healthy infants and children, mean SPo2 values at sea level have been reported to be 97% to 99% and they might be lower in neonates and young infants (range: 93%-100) (1)
    • in adults less than 70 years of age when awake at rest and at sea level: 96% - 98%
    • aged 70 and above when awake at rest and at sea level: greater than 94%.
      • NB: Patients of all ages may have transient dips of saturation to 84% during sleep

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