M
mmHg
Full name: Millimeters of Mercury
A unit of pressure. Normal atmospheric pressure at sea level is 760 mmHg. Arterial oxygen tension (PaO₂) during HBOT at 2.0 ATA with 100% O₂ exceeds 1,000 mmHg — compared with ~100 mmHg at normal atmospheric pressure.
About mmHg
This HBOT Hub glossary entry covers Millimeters of Mercury 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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