Multiple contusions are either closed or open injuries, and trauma can be categorized according to the integrity of the skin or mucous membranes after injury.
1. Closed injuries: that is, the skin or mucous membrane is intact without wounds, such as contusions, sprains, crush injuries, joint dislocations and subluxations, concussive injuries, closed visceral injuries, closed fractures and so on.
2. Open wound: that is, the skin or mucous membrane has broken, such as abrasions, lacerations, cuts, stab wounds, cut wounds, etc., according to the type of wound can be divided into both the entrance and the exit of the penetrating injuries, as well as only the entrance does not have the exit of the blind tube injuries.
The classification of trauma is based on a number of factors. When trauma occurs, you should seek medical treatment in a timely manner to clarify the type and severity of the trauma, and choose the appropriate treatment measures under the guidance of a professional doctor.