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Concussion grading systems are sets of criteria used in sports medicine to determine the severity, or grade, of a concussion, the mildest form of traumatic brain injury. At least 16 such systems exist, [ 1 ] and there is little agreement among professionals about which is the best to use. [ 2 ]
Thus injury is frequently more severe than is realized, and medical professionals should suspect DAI in any patients whose CT scans appear normal but who have symptoms like unconsciousness. [ 9 ] MRI is more sensitive than CT scans, but is still liable to false negatives because DAI is identified by looking for signs of edema , which may not ...
A concussion, also known as a mild traumatic brain injury (mTBI), is a head injury that temporarily affects brain functioning. [8] Symptoms may include headache, dizziness, difficulty with thinking and concentration, sleep disturbances, mood changes, a brief period of memory loss, brief loss of consciousness; problems with balance; nausea; blurred vision; and mood changes.
Concussion, a type of mild traumatic brain injury that is caused by a direct or indirect hit to the head, body, or face is a common injury associated with sports and can affect people of all ages. A concussion is defined as a "complex pathophysiological process affecting the brain, induced by biomechanical forces". [1]
A concussion is a form of a mild traumatic brain injury (TBI). This injury is a result due to a blow to the head that could make the person's physical, cognitive, and emotional behaviors irregular. Symptoms may include clumsiness, fatigue , confusion , nausea , blurry vision , headaches , and others. [ 7 ]
CT scans can show brain bleeds, fractures of the skull, fluid build up in the brain that will lead to increased cranial pressure. [ 36 ] MRI is able to better to detect smaller injuries, detect damage within the brain, diffuse axonal injury, injuries to the brainstem, posterior fossa, and subtemporal and subfrontal regions.
Post-concussion syndrome is believed to be able to arise for reasons aside from sustaining a (mild) traumatic brain injury. In one study, health professionals cited organic causes in general as being most responsible for the development of PCS; however, emotional and compensatory causes have also been implicated as factors. [13]
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]