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A diagnosis may be made when symptoms resulting from concussion last for more than three months after the injury. [8] [9] [6] Loss of consciousness is not required for a diagnosis of concussion or post-concussion syndrome. [10] However, it is important that patients find help as soon as they notice lingering symptoms within one month, and ...
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.
Recovery phase is typically the phase where vomiting ceases, nausea diminishes or is absent, and appetite returns. "Cyclic vomiting syndrome (CVS) is a rare abnormality of the neuroendocrine system that affects 2% of children." [1] This disorder is thought to be closely related to migraines and family history of migraines. [2] [3]
Concussion can affect functional, emotional, cognitive and physical factors and can occur in people of all ages. [1] Symptoms following after the concussion vary and may include confusion, disorientation, lightheadedness, nausea, vomiting, blurred vision, loss of consciousness (LOC) and environment sensitivity.
Late symptoms can occur days to weeks after the initial injury, although headaches and dizziness can persist well into the "late stage" as well. [7] RPQ-3 symptoms are regarded as the more "physical" symptoms, whereas the RPQ-13 set of symptoms are considered to have a more significant impact on psychic and social function.
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 ]
Second-impact syndrome (SIS) occurs when the brain swells rapidly, and catastrophically, after a person has a second concussion before symptoms from an earlier one have subsided. This second blow may occur minutes, days, or weeks after an initial concussion, [1] and even the mildest grade of concussion can lead to second impact syndrome. [2]
When the axon is torn, Wallerian degeneration, in which the part of the axon distal to the break degrades, takes place within one to two days after injury. [26] The axolemma disintegrates, [ 26 ] myelin breaks down and begins to detach from the cell in an anterograde direction (from the body of the cell toward the end of the axon), [ 27 ] and ...