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Some experts believe post-concussion symptoms are caused by structural damage to the brain or disruption of neurotransmitter systems, resulting from the impact that caused the concussion. [medical citation needed] Others believe that post-concussion symptoms are related to common psychological factors. Most common symptoms like headache ...
Delayed onset of symptoms may still be serious and require a medical assessment. [24] 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 ...
A pediatric concussion can lead to an immediate or delayed onset of symptoms. [12] Immediate onset of symptoms includes physical impacts, such as dizziness, headache, anterograde or retrograde amnesia, loss of consciousness, vomiting and more. [1] Delayed onset of symptoms may occur a few hours or days after the injury.
Fatigue is the most frequently affirmed symptom of PCS included on the questionnaire, while double vision is the least affirmed. [7] Some other neuropsychological tests do not include fatigue as a symptom of PCS, giving the Rivermead Post-Concussion Symptoms Questionnaire an advantage in an "accurate" assessment of the condition.
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]
Under the blue tent. In 2016, the world’s most respected brain injury experts met to update their Sport Concussion Assessment Tool, a standardized and widely used framework for evaluations ...
Signs and symptoms of hypopituitarism may develop and be screened for in adults with moderate TBI and in mild TBI with imaging abnormalities. Children with moderate to severe head injury may also develop hypopituitarism. Screening should take place 3 to 6 months, and 12 months after injury, but problems may occur more remotely. [152]
Chargers receiver Joshua Palmer was cleared during the Monday game against Denver despite a suspected concussion, but two days later symptoms appeared and he won't play Sunday.