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An individual who has bitten the tip of their tongue while having a seizure. Events leading up to the seizure and what movements occurred during the seizure are important in classifying the type of seizure. [3] [5] The person's memory of what happened before and during the seizure is also important. However, since most people that experience ...
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]
Epilepsy that occurs as a result of other issues may be preventable. [1] 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.
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.
An epileptic aura is in most cases followed by other manifestations of a seizure, for example a convulsion, since the epileptic discharge spreads to other parts of the brain. Rarely it remains isolated. Auras, when they occur, allow some people who have epilepsy time to prevent injury to themselves and/or others when they lose consciousness.
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.
Seizures begin before 20 months of age and in most cases, the first seizures occur with fever and are generalized tonic-clonic (grand mal) or unilateral (one-sided) convulsions. These seizures are often prolonged, and may lead to status epilepticus, a medical emergency. In time, seizures increase in frequency and begin to occur without fever.
Thereafter, the seizure may or may not evolve into loss of consciousness and a generalized tonic–clonic seizure. [2] [1] In contrast to the auras in ecstatic seizures, most auras of seizures generally are unpleasant, including feelings of anxiety and fear (60%) as well as depression, while positive feelings are only rarely reported. [1]
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