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Because epileptic seizures typically include convulsions, the term convulsion is often used as a synonym for seizure. [1] However, not all epileptic seizures result in convulsions, and not all convulsions are caused by epileptic seizures. [1] [2] Non-epileptic convulsions have no relation with epilepsy, and are caused by non-epileptic seizures. [1]
Strokes, brain bleeds, and traumatic brain injury can all also lead to epilepsy if seizures re-occur. If the first seizure occurs more than 7 days following a stroke, there is a higher chance of the person developing epilepsy. [27] Post-stroke epilepsy accounts for 30%-50% of new epilepsy cases. [27]
A seizure is a paroxysmal episode of symptoms or altered behavior arising from abnormal excessive or synchronous brain neuronal activity. [5] A focal onset seizure arises from a biological neural network within one cerebral hemisphere, while a generalized onset seizure arises from within the cerebral hemispheres rapidly involving both hemispheres.
Status epilepticus (SE), or status seizure, is a medical condition with abnormally prolonged seizures.It can have long-term consequences, [3] manifesting as a single seizure lasting more than a defined time (time point 1), or 2 or more seizures over the same period without the person returning to normal between them.
Seizures are controllable with medication in about 69% of cases; [7] inexpensive anti-seizure medications are often available. [1] In those whose seizures do not respond to medication; surgery, neurostimulation or dietary changes may be considered. [5] [6] Not all cases of epilepsy are lifelong, and many people improve to the point that ...
A generalized tonic–clonic seizure, commonly known as a grand mal seizure or GTCS, [1] is a type of generalized seizure that produces bilateral, convulsive tonic and clonic muscle contractions. Tonic–clonic seizures are the seizure type most commonly associated with epilepsy and seizures in general and the most common seizure associated ...
About 2-5% of all children will experience such a seizure during their childhood. [26] In most cases, a febrile seizure will not indicate epilepsy. [26] Approximately 40% of children who experience a febrile seizure will have another one. [26] In those with epilepsy, fever can trigger a seizure.
[1] [10] Efforts to rapidly cool during a seizure is not recommended. [11] Febrile seizures affect 2–10% of children. [2] They are more common in boys than girls. [12] After a single febrile seizure there is an approximately 35% chance of having another one during childhood. [6] Outcomes are generally excellent with similar academic ...