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Brain
Injury
Lawyer
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CLOSED BLUNT INJURY
Occurs when the head accelerates and
then rapidly decelerates or collides with
another object (e.g. wall, or dashboard
of a car) and brain tissue is damage, but
there is no opening to the skull or dura.
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OPEN BRAIN INJURY
Occurs when an object penetrates
the skull, enters the brain and
damages the soft brain tissue in its
path (penetrating injury).
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CONCUSSION
Temporary loss of neurologic
function with no apparent
structural damage.
Involves period of
unconsciousness.
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CONTUSSION
Cerebral contusion, latin contusio cerebri, a form of traumatic brain injury, is a bruise of the brain tissue. Like bruises in other tissues, cerebral contusion can be caused by multiple microhemorrhages, small blood vessel leaks into brain tissue. Head CT scans of unconscious patients reveal that 20% have hemorrhagic contusion.
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FEATURES
Contusions, which are frequently associated with [[edema]], are especially likely to cause increases in [[intracranial pressure]] (ICP) and concomitant crushing of delicate brain tissue. Contusions are also more likely to result in hemorrhage than is [[diffuse axonal injury]] because they occur more often in the cortex, an area with more [[blood vessel]]s.
Contusions typically form in a wedge-shape with the widest part in the outermost part of the brain.
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