Which one of the following is not a feature of type 2 respiratory failure?
Correct Answer: p CO2 38 mm Hg and pO2 50 mm HG
Description: Type 2 respiratory failure is characterised by aerial hypoxia with hypercapnia.Here,PaO2 is less than 60 mmHg(<8.0 kPa) and PaCO2 is greater than 50 mmHg(>6.6 kPa).It can present with the signs of CO2 retention like confusion,flapping tremors(asterixis),bounding pulse & Papilloedema. In Type 1 respiratory failure there is pao2<60 and paco2 normal or decreased. Reference:Davidson's Medicine-22nd edition,page no:664.
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