A 30-year-old recreational diver is brought by ambulance to your small coastal ED. He collapsed shortly after emerging from the water and suffered a generalised seizure lasting 2-3 minutes. On examination, he is drowsy with R-sided hemiparesis. The nearest tertiary hospital is 300km away by road. Vital signs are as follows :

  • HR 100
  • BP 90/50
  • GCS 11 E4 V2M5
SaO2 89% RA

Decompression illness

1. List (2) diagnoses for this patient and a unifying aetiology. 2 marks

2. BRIEFLY outline your management of this patient. 4 marks

3. Complete the table below listing (3) possible methods of retrieval for this patient. Give (1) advantage and (1) disadvantage of each method. 6 marks