Cardiac arrest causes neurological injury through a sustained period of hypoxia and ischaemia.  It has long been thought that avoiding further hypoxia could save vulnerable brain tissue, leading to the common practice of deliberate hyperoxygenation.

However, recent research has suggested this approach may in fact be harmful.

Paul Young is an Intensivist and critical care researcher from Wellington in New Zealand, and he joins me to discuss an upcoming study which will further explore this issue, LOGICAL