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Concussion symptoms may vary based on the type, severity and location of the head injury. [2] Concussion symptoms in infants, children, and adolescents often appear immediately after the injury, however, some symptoms may arise multiple days following the injury leading to a concussion. [3]
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]
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 ]
"When he went through this before, he had no desire to retire and my understanding is that he still would like to continue playing," Schefter said on ESPN.
Princess Anne is being treated in hospital for minor injuries and concussion.
"From the standpoint of a concussion, it's a wound," Johnson said. "It's a metabolic mismatch in the brain. When you come to the E.R. for chest pain, certain illnesses, wounds, and injuries, they ...
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.
Chiefs quarterback Patrick Mahomes entered concussion protocol after taking a big hit late in a loss to Tennessee in October 2021 but was quickly cleared and played the following week.