Key wordsConcussion Contusion Second impact syndrome Post-concussion syndrome
The literature on concussion contains elements of confusion in that the word is used for cases in which there is obviously permanent neuronal damage. In turn, this leads to confusion regarding the prognosis and immediate management of cases where a blow to the head is the primary injury. If we adhere to the classic definition of concussion, “a transient disturbance of neurologic function with no structural damage”, a lot of this confusion will disappear, including that surrounding prolonged post-concussion syndrome (PPCS), second impact syndrome (SIS), and predisposition to become concussed.
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