Major trauma is when a person has been injured badly enough to be in danger of their life. It's usually caused by a serious accident, like a car crash or a fall from a high place. It can also be caused by a violent attack. Major trauma can result in broken bones, serious head injuries, or even death. Doctors and nurses need to act quickly to help someone who has experienced major trauma. They will do things like stopping the person from bleeding and checking for internal injuries. They might also give the person medicine to help manage the pain.