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Exertional SpO₂ nadir: biomarker evidence

Exertional SpO₂ nadir appears in 1 entry of the OSMF biomarker atlas, covering PACVS. Across those entries it is reduced in 1. It is currently reported in a single condition in this atlas; cross-condition comparison will be added as the dataset grows. Each row below links to a page with the comparison group, associated symptoms, test details and primary citation.

PACVS

Where Exertional SpO₂ nadir is reported

Also listed as: Pulse oximetry

ConditionDirectionCompared againstAssociated symptomsSource
PACVS↓ reducedhealthy controlsExercise-induced hypoxemiaHalma 2024

Frequently asked questions

In which conditions is Exertional SpO₂ nadir altered?

In the OSMF atlas Exertional SpO₂ nadir is reported in PACVS. It is reduced in 1 across 1 entries.

Is there a standard clinical test for Exertional SpO₂ nadir?

The atlas entries for Exertional SpO₂ nadir do not carry a LOINC code, which usually means the marker was measured with research assays or study-specific methods rather than a routine clinical panel.

Is one abnormal Exertional SpO₂ nadir result diagnostic?

No single biomarker result is diagnostic of any of these conditions. Findings reflect group averages from published cohorts with substantial overlap between patients and controls.

Cite this page

Open Source Medicine Foundation. (2026). Exertional SpO₂ nadir across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/exertional-spo2-nadir.html
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Last reviewed: 2026-06-30 · Browse: Biomarker Index · All marker pages · Biomarker Atlas

Disclaimer: Educational synthesis of peer-reviewed research; not medical advice. Findings are group-level and vary with study design. Discuss any result with a qualified clinician.