You are a newly qualified FACEM excited about the relaxation of pandemic international travel restrictions and as such have agreed to be the expedition doctor for a trek to the Everest Base Camp (altitude 5300m). During Day 3 of the trek, you note one of your trekkers lagging behind the rest of the group, has a new cough and appears to be breathless even whilst resting.

1. State the most concerning diagnosis. 1 mark

2. List (4) risk factors for the development of this condition. 4 marks

The trekker appears to have deteriorated when you stop to set up camp that night, he remains breathless, the cough is now productive of pink frothy sputum and his lips appear cyanosed.

3. State your management priorities in this patient. 5 marks

4. List (2) other complications that can occur at high altitude. 2 marks