In type II respiratory failure there is:: (A) Low pO2 and Low pCO2, (B) Low pO2 and High pCO2, (C) Normal pO2 and High pCO2, (D) Low pO2 and Normal pCO2
Answer is B. Type I respiratory failure Type II respiratory failure Low pO2 Low pO2 Normal or low pCO2 High pCO2 A-a gradient is increased A-a gradient is normal because Hypoventilation leads to reduction of both pAO2 and paO2