1985 Volume 5, No. The leading causes of head injuries include vehicle accidents, industrial accidents, assaults, sports injuries, falls, gun shot wounds, etc. Head injuries may be divided into closed injuries in which the brain is not exposed and open injuries such as gun shot wounds in which the brain is exposed. This country has a sad record of over 50,000 deaths each year from that cause alone. Many states still do not have a law requiring motorcyclists to wear protective helmets.
Motorcyclists are very vulnerable to head injury.
In vehicular accidents two-thirds of the deaths occur at the scene of the accident. The remaining one-third of the deaths occur later at the hospital. Depending upon the location of the clot, its severity, and its treatment, as many as half of the patients with blood clots may deteriorate and die. Such a clot lies between the skull bone and the dural cover of the brain. The clot lies under the outer brain covering.