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Prolonged concussion is defined as having concussion symptoms for over four weeks following the first accident in youth and for weeks or months in adults. [ 7 ] A diagnosis may be made when symptoms resulting from concussion last for more than three months after the injury.
Up to one-third of people with concussion experience longer or persisting concussion symptoms, also known as post concussion syndrome or persisting symptoms after concussion, which is defined as concussion symptoms lasting for 4 weeks or longer in children and adolescents, and symptoms lasting for more than 14 days in an adult.
In fact, the most common cause of concussion is a fall. Which means older adults are more vulnerable. ... That’s just a way of saying that symptoms can persist after the concussion. Long-term ...
Post-concussion syndrome, a set of lasting symptoms experienced after mild TBI, can include physical, cognitive, emotional and behavioral problems such as headaches, dizziness, difficulty concentrating, and depression. [11] Multiple TBIs may have a cumulative effect. [149]
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]
But the recovery time can vary. Up to about 1/3 of people experience persisting symptoms after concussion (PHAC) or persistent post concussion symptoms (PPAC), defined as symptoms that last more than 4 weeks. [5] [6] [7] After an injury, concussion symptoms can begin immediately or be and delayed by 1-2 days at most. [8]
PCS symptoms also overlap with symptoms associated with other conditions, such as chronic pain. [9] Because of this, the Rivermead Post-Concussion Symptoms Questionnaire is useful in the assessment of other conditions besides MTBI-induced PCS.
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