A 70-year-old man with known COPD (FEV1 40% predicted) presents with increased breathlessness and productive cough. His oxygen saturations are 86% on ...

Question

A 70-year-old man with known COPD (FEV1 40% predicted) presents with increased breathlessness and productive cough. His oxygen saturations are 86% on air, respiratory rate 28/min and he is using accessory muscles. Arterial blood gas on air shows PaO2 6.8 kPa, PaCO2 7.2 kPa and pH 7.34. What is the most appropriate oxygen saturation target when commencing controlled oxygen therapy?

Accepted Answer

88–92%

Answer

80–84%

Answer

85–88%

Answer

94–98%

Answer

>98%

uk-plab-1 MCQ (SBA): Acute exacerbation of COPD