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Focal and diffuse brain injury are ways to classify brain injury: focal injury occurs in a specific location, while diffuse injury occurs over a more widespread area.It is common for both focal and diffuse damage to occur as a result of the same event; many traumatic brain injuries have aspects of both focal and diffuse injury. [1]
Closed head injury (coup contrecoup) can damage more than the impact sites on the brain, as axon bundles may be torn or twisted, blood vessels may rupture, and elevated intracranial pressure can distort the walls of the ventricles. [7] [10] [11] Diffuse axonal injury is a key pathology in concussive brain injury. [5] The visual system may be ...
Focal neurological deficits may be caused by a variety of medical conditions such as head trauma, [1] tumors or stroke; or by various diseases such as meningitis or encephalitis or as a side effect of certain medications such as those used in anesthesia. [2] Neurological soft signs are a group of non-focal neurologic signs. [3]
Unequal pupil size is potentially a sign of a serious brain injury. [39] Symptoms are dependent on the type of TBI (diffuse or focal) and the part of the brain that is affected. [40] Unconsciousness tends to last longer for people with injuries on the left side of the brain than for those with injuries on the right. [15]
Acquired brain injury (ABI), traumatic brain injury (TBI), focal or diffuse, primary and secondary Brain injury ( BI ) is the destruction or degeneration of brain cells . Brain injuries occur due to a wide range of internal and external factors.
Diffuse injury has more microscopic injury than macroscopic injury and is difficult to detect with CT and MRI, but its presence can be inferred when small bleeds are visible in the corpus callosum or the cerebral cortex. [34] MRI is more useful than CT for detecting characteristics of diffuse axonal injury in the subacute and chronic time ...
Current compensation: $2 million. Win the one game you’re supposed to win (vs. Michigan) and you don’t make this list. Continually lose that game — especially in a year when you are ...
Prognosis, or the likely progress of a disorder, depends on the nature, location, and cause of the brain damage (see Traumatic brain injury, Focal and diffuse brain injury, Primary and secondary brain injury). In children with uncomplicated minor head injuries the risk of intracranial bleeding over the next year is rare at 2 cases per 1 million ...