Accidents

thumb|Green Bank Observatory radio telescope collapsed when a steel plate cracked in 1988. An accident is an unintended and usually undesirable event that is not deliberately caused by humans. Although in ordinary conversations, intentionality is the only factor most people consider, formally, accidents require three factors: it must be unintended, unpreventable, and unexpected. The term accident usually implies the presence of unrecognized or unaddressed risks. Many researchers and professionals in injury prevention discourage the use of the word accident, because the word accident suggests t

thumb|Infixing a distal femoral traction pin, preopt for a fractured femur. In medicine, traumatology (from Greek trauma, meaning injury or wound) is the study of wounds and injuries caused by accidents or violence to a person, and the surgical therapy and repair of the damage. Traumatology is a branch of medicine. It is often considered a subset of surgery and in countries without the specialty of trauma surgery it is most often a sub-specialty to orthopedic surgery. Traumatology may also be known as accident surgery.