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06/28/04 - 05:30 AM       #1

what are the adaptations to high altitudes??

mani
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06/28/04 - 02:09 PM       #2

low atmp pressure ---> hypoxia -----> hyperventilation -----> resp alkalosis ------> inc renal excretion of HCO3 (over weeks)
inc erythropoitin production to increaase O2 carrying capacity
pulm hypoxic vasoconstriction ----> pulm HTN

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