March 14, 1997 / 46(10);224-227Sports-Related Recurrent Brain Injuries -- UnitedStatesAn estimated 300,000 sports-related traumatic brain injuries (TBIs) of mild to moderate severity (1), most ofwhich can be classified as concussions (i.e., conditions of temporarily altered mental status as a result of headtrauma), occur in the United States each year.
He was transferred to a regional trauma center, where attempts to reduce elevated
intracranial pressure were unsuccessful, and he was pronounced brain dead 4 days later.
Summary of Related Data
The true incidence of second impact syndrome is unknown.
Second impact syndrome results from acute, usually fatal, brain swellin...
Allowed
Adobe Portable Document Format (.pdf) - application/pdf
Everett Public Schools Documents 
