Oxygen for MI patients of no benefit

A study of 411 patients treated by Ambulance Victoria found that those who had suffered a STEMI without hypoxia and who had been given oxygen experienced a 20% increase in heart tissue damage compared to patients who had not received oxygen. 

What’s more, cardiac magnetic imaging at six months revealed that those patients had an increase in MI size – 20.3g versus 13.1g in patients not given oxygen. 

Oxygen therapy was also associated with an