How serious are the complications of a second impact syndrome (SIS)

A: A Almost always reversible

B: ometimes irreversible

C: C Often fatal

The correct answer is C. Second impact syndrome happens after a person suffers a second concussion before symptoms from an earlier concussion have subsided. Sometimes a trivial, second head injury can lead to swelling of the brain which can very often be fatal or lead to severe disability. Answers A and B are incorrect because even though it is rare SIS has a high very mortality rate.

How serious are the complications of a second impact syndrome (SIS)

How serious are the complications of a second impact syndrome (SIS)

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