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Home > Medical Reference > Encyclopedia (English)Toggle: English / SpanishServices at Maryland GeneralA complete list of inpatient and outpatient healthcare services at MGH.Concussion - OverviewDefinition of Concussion:A concussion is a traumatic brain injury (TBI) that may result in a bad headache, altered levels of alertness, or unconsciousness. It temporarily interferes with the way your brain works, and it can affect memory, judgment, reflexes, speech, balance, coordination, and sleep patterns. See also: Concussion - first aid Causes, incidence, and risk factors:A concussion may result when the head hits an object or a moving object strikes the head. A concussion can result from a fall, sports activities, and car accidents. Significant movement of the brain (called jarring) in any direction can cause you to lose alertness (become unconscious). How long you remain unconscious may be a sign of the severity of the concussion. However, concussions don't always involve a loss of consciousness. Most people who have a concussion never black out. You can have a concussion and not realize it.  Concussion
ReferencesRopper AH, Gorson KC. Clinical practice: concussion. N Engl J Med. 2007;356:166-172. Hunt T, Asplund C. Concussion assessment and management. Clin Sports Med. 2009;5-17. Related ArticlesThe information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.  |
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