Lab reference

pO₂

ABG

For education. Check every result.

Anatium is a study resource, not medical advice. Nothing here is a diagnosis, a prescription or a substitute for a clinician who has seen the patient. Check every number against a current local protocol before it touches anyone, and never act on a result you cannot reproduce yourself.

Reference range

Range80 to 100 mmHg

About

The oxygen tension in arterial blood. Meaningless without knowing the inspired oxygen the patient was on.

When it is low

Hypoxemia: V/Q mismatch, shunt, hypoventilation, diffusion impairment

When it is high

Supplemental O₂, hyperventilation

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