pulmonary artery constriction

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pulmonary artery constriction

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3 Posts

frontier
Forum Junior

Topics: 14
Posts: 26

04/09/05 - 12:44 AM

What causes pulmonary artery constriction:
A decrease in PO2 in alveoli or in venous blood?

ssrpk
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Topics: 154
Posts: 2,819

04/09/05 - 04:20 AM

first of all it's pulmonary arteriolar constriction and secondly pulmonary vasculature is unique in the snse it constrics when there is hypoxia i.e. decrease in PAO2 not venous!

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SDK
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Topics: 537
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04/13/05 - 01:07 AM

I think Hypoxia cause arteriolar constriction not arterial constriction.... :!:

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