 Arterial Blood Gas (ABG) Test by MedlinePlus (source code)

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= Arterial Blood Gas (ABG) Test by MedlinePlus

https://medlineplus.gov/lab-tests/arterial-blood-gas-abg-test/

National Library of Medicine test description, updated 26 June 2025. Sections “What is an arterial blood gas test?” and “Is there anything else I need to know?” distinguish oxygen partial pressure, saturation and a pulse-oximeter estimate. The earlier blood-oxygen-level page redirects to this canonical URL.

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