diffusion
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USMLE Perfusion limited, A-a gradient is not zero
FA17 says that normal A-a gradient for oxygen is 10-15 mm Hg. Doesn't this mean that normally oxygen is diffusion limited? I am a little bit confused here, as multiple sources (including FA17) say that oxygen normally (in a healthy person at rest) is perfusion limited. If oxygen is really...- mgimou
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- a-a gradient diffusion oxygen perfusion
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- Forum: USMLE and COMLEX Step I
