Diagnosis: News and Research on Plethysmography

MeSH tree: E01.370.370.610

New pulse oximeter adapts to skin color

For decades, pulse oximeters have been among medicine's most familiar instruments. Clip one onto a finger, and within seconds it reports how much oxygen is in your blood, a vital indicator of health.

Biological aging clocks offer insights, not diagnostics

The Journal of Medical Internet Research released a feature story on the accuracy and utility of consumer wearables that estimate so-called biological age in its News and Perspectives section. In "Sorting Science From Marketing ...

Pulse oximeter bias linked to gaps in care for Black patients

Pulse oximeter devices routinely overestimate blood oxygen levels in darker-skinned patients—a racial bias that can trigger downstream health harms for Black individuals, compounding well beyond any single inaccurate reading.

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