[Hemothorax and retroperitoneal bleeding caused by warfarin use in a polytraumatized patient].

If some medical problems are not noticed to in polytraumatized patients at the right time, they may be caused by serious complications. The haematological parameters, especially bleeding and coagulation factors, are very important for them. If they use warfarin, heparin or salicylates, they should be cared intensively.