NeuroNotes: NRI's Brain Injury Blog: SIS: Second Impact Syndrome

NeuroNotes is an informational web log that brings you the latest articles, news, events, and oddities relating to the brain and brain injury.

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		Rolf B. Gainer, Ph.D., Diplomate ABDA, is the Chief Executive Office at Brookhaven Hospital and the Vice President of Rehabilitation Institutes of America. Dr. Gainer has been involved in the design and operation of treatment programs since 1977. Penny Rott, MS, is a brain injury case manager for Neurologic Rehabilitation Institute at Brookhaven Hospital, providing resources and support for TBI victims and their families across the United States. Michael Mason- A versatile and prolific writer, Michael is the author of the book, "Head Cases: Stories of Brain Injury and Its Aftermath," and regularly delivers engaging talks and readings to audiences nationwide. Michael serves at Brookhaven Hospital as an advocate for individuals with brain injury.
Thursday, July 28, 2005 9:09 AM posted by Michael Mason SIS: Second Impact Syndrome Athletes are particularly prone to Second Impact Syndrome, a brain injury that occurs as a result from a second concussion when the first one has not had enought time to heal. One of the dangers of SIS is the subtlety of the injury: "At the onset of SIS the athlete is usually stunned, but does not lose consciousness and often completes the play. In the next 15 seconds to several minutes, however, the athlete’s brain is severely compromised by a chain reaction. The impact may cause blood vessels to tear, a blood clot forms, and the flow of blood is greatly reduced causing the brain to swell. This creates pressure on the brain stem, which controls breathing. Shortly thereafter, respiratory failure begins, and the athlete collapses with rapidly dilating pupils and loss of eye movement." Read Athletes at Risk: Second Impact Syndrome in Sports link to this post