Head injury can occur when the head and neck is thrown violently such as in an accident. This type of head injury can also cause injury to the brain by causing it to rebound in the skull. As a result the brain may bleed, swell, and dangerously increase in pressure.
Update Date 2/20/2014
Updated by: Joseph V. Campellone, M.D., Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.