P
PaO₂
Full name: Arterial Oxygen Tension
The partial pressure of oxygen in arterial blood. Normal breathing air at sea level produces PaO₂ around 100 mmHg. HBOT at 2.0 ATA with 100% O₂ elevates PaO₂ above 1,000 mmHg — the physiological basis for HBOT efficacy.
About PaO₂
This HBOT Hub glossary entry covers Arterial Oxygen Tension as a term used in hyperbaric oxygen therapy — its definition, clinical significance, and relevance across treatment protocols, chamber types, and research applications. Browse the full HBOT A–Z glossary for related terminology, or see our research library for context on how this concept appears in the HBOT literature.
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