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What are the signs and symptoms of a concussion? A concussion is a form of mild traumatic brain injury, or TBI. It occurs when the skull and brain are rapidly jolted back and forth. This is ...
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.
But later, I learned from Cleveland Clinic doctors that it isn't unusual to retain consciousness and even be symptom-free at the beginning stages of a concussion. “While concussion symptoms can ...
A study by Sullivan et al. found that 83% of male rugby athletes were aware of concussion signs and symptoms, but only 50% understood or were aware of the protocol to return to play after an injury. [43] When coaches were surveyed, 45% of participants did not believe immediate removal from play is warranted after a concussion. [43]
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]
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]