#362 Migraine Headaches, Acute Hypoxemia: A rapid review (TFTC)
The Curbsiders Internal Medicine Podcast
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What Is the Most Common Cause of an Elevated AA Gradient?
Low inspired oxygen content is one of them, Paul. And that usually happens at altitude. hypoventilation is something that can cause a normal AA gradient, but low oxygen. The final one was low mixed venous oxygen concentration. But the most common one you're probably going to see in a rapid response are VQ mismatch.
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