Heart Has Enough Oxygen To Survive Hypothermia, CPR Crucial

... Rewarming the victims of severe hypothermia usually causes heart failure of varying severity, but little is known about why. In a step toward developing proper rewarming techniques, Norwegian researchers ruled out insufficient oxygen to the heart as the critical variable in whether the heart survives severe hypothermia. The researchers stress the importance of starting CPR with hypothermia victims right away and continuing until after the victim is returned to normal temperature. ...