MEDizzy
MEDizzy

A head injury is any injury that results in trauma to the skull or brain. The terms traumatic brain injury and head injury are often used interchangeably in the medical literature.[1] This broad classification includes neuronal injuries, hemorrhages, vascular injuries, cranial nerve injuries, and subdural hygromas, among many others.[2] These classifications can be further categorized as open (penetrating) or closed head injuries. This depends on if the skull was broken or not.[3] Because head injuries cover such a broad scope of injuries, there are many causes—including accidents, falls, physical assault, or traffic accidents—that can cause head injuries. Many of these are minor, but some can be severe enough to require hospitalization.[4] Head injury Soldier wounded at the Battle of Antietam on September 17, 1862. The number of new cases is 1.7 million in the United States each year, with about 3% of these incidents leading to death. Adults have head injuries more frequently than any age group resulting from falls, motor vehicle crashes, colliding or being struck by an object, or assaults. Children, however, may experience head injuries from accidental falls or intentional causes (such as being struck or shaken) leading to hospitalization.[5] Unlike a broken bone where trauma to the body is obvious, head trauma can sometimes be conspicuous or inconspicuous. In the case of an open head injury, the skull is cracked and broken by an object that makes contact with the brain. This leads to bleeding. Other obvious symptoms can be neurological in nature. The person may become sleepy, behave abnormally, lose consciousness, vomit, develop a severe headache, have mismatched pupil sizes, and/or be unable to move certain parts of the body.[3] While these symptoms happen immediately after a head injury occurs, many problems can develop later in life. Alzheimer’s disease, for example, is much more likely to develop in a person who has experienced a head injury.[6]

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9 days ago

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