This blog is meant to be a resource for physicians treating patients with Hypoxemia during the COVID-19 pandemic. This information has been pulled from our 18th Edition Internal Medicine Core.
Again: Supplemental O2 does not cause a significant increase in PaO2 when there is R-to-L shunting or shunt physiology. The A-a gradient is normal with hypoventilation and with high altitudes.
Check out the next blog in this series: IM Core Excerpt: Interstitial Pneumonia
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