Study questions practice of giving oxygen to heart attack patients

The century-old practice of giving oxygen to a heart attack patient could be causing more harm than good, with a study showing patients may suffer a 20 per cent increase in damage to heart tissue if given oxygen.A study of 411 patients treated by Ambulance Victoria MICA (Mobile Intensive Care Ambulance) paramedics found that routinely providing oxygen to someone having a heart attack was of no benefit and, in some cases, could cause further damage to the heart muscle.
View More/Source Article