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Simple febrile seizures involve an otherwise healthy child who has at most one tonic-clonic seizure lasting less than 15 minutes in a 24-hour period. [1] Complex febrile seizures have focal symptoms, last longer than 15 minutes, or occur more than once within 24 hours. [5] About 80% are classified as simple febrile seizures. [6]
Generalized 3 Hz spike and wave discharges in a child with childhood absence epilepsy. Epilepsy is a neurological condition of recurrent episodes of unprovoked epileptic seizures. A seizure is an abnormal neuronal brain activity that can cause intellectual, emotional, and social consequences.
Systemic infection with high fever is a common cause of seizures, especially in children. [3] [25] These are called febrile seizures and occur in 2–5% of children between the ages of six months and five years. [26] [25] Acute infection of the brain, such as encephalitis or meningitis are also causes of seizures. [3]
The temporal lobes, and the hypothalamus are the areas of the brain with the most involvement with these seizures. This may cause learning disabilities, and faulted cognitive function as well. [citation needed] It is not uncommon for children to have tonic–clonic seizures, and atonic seizures directly following the seizure. Those that are ...
Breakthrough seizures are more likely with a number of triggers. [54]: 57 Often when a breakthrough seizure occurs in a person whose seizures have always been well controlled, there is a new underlying cause to the seizure. [55] Breakthrough seizures vary. Studies have shown the rates of breakthrough seizures ranging from 11 to 37%. [56]
Febrile seizures affect 2–4% of children in the United States and Western Europe, it is the most common childhood seizure. [19] The exact reason for febrile convulsion is unidentified, though it might be the outcome of the interchange between environmental and genetic factors.
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The ability to categorize a case of epilepsy into a specific syndrome occurs more often with children since the onset of seizures is commonly early. [69] Less serious examples are benign rolandic epilepsy (2.8 per 100,000), childhood absence epilepsy (0.8 per 100,000) and juvenile myoclonic epilepsy (0.7 per 100,000). [69]