The school nurse sees a child who has had an absence seizure. Alterations in consciousness that last seconds are typical of this type of seizure.
Absence seizures are characterized by brief changes in awareness lasting only a few seconds.
Seizures that affect entire brain are known as generalized seizures. These seizures arise as a result of aberrant brain activity that appears quickly on both sides of the brain. A person loses consciousness and may fall during this type of seizure.
For a few seconds, someone experiencing an absence seizure may appear to be looking blankly into space. Then there is a rapid return to normal attentiveness. This sort of seizure rarely causes bodily harm.
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