Maximum alveolar aerial oxygen difference is seen in:
Correct Answer: Pulmonary embolism
Description: Ans: A. Pulmonary embolism (Ref: Ganong 25/e p634, 24/e p634)In pulmonary embolism gradient increases to very high level (I0 to 83 mm Hg from normal level of 5 mm Hg).But normal Pa02 level on aerial blood gas analysis does not exclude the diagnosis of acute pulmonary embolism.It is also increased in ILD.
Category:
Physiology
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