Hypoxic hypoxia

Hypoxic hypoxia is hypoxiaresulting from a defective mechanism of oxygenation in the lungs; may be caused by a low tension of oxygen, abnormal pulmonaryfunction or respiratoryobstruction, or a right-to-left shunt in the heart.

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It uses material from the http://en.wikipedia.org/wiki/Hypoxic+hypoxia Wikipedia article Hypoxic hypoxia.