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  2. Absence seizure - Wikipedia

    en.wikipedia.org/wiki/Absence_seizure

    Absence seizures are also known to occur to patients with porphyria and can be triggered by stress or other porphyrin-inducing factors. Childhood Absence Epilepsy. Childhood absence epilepsy (CAE) is a type of idiopathic epilepsy characterized by its non-convulsive, generalized nature and a genetic origin influenced by multiple factors [20]

  3. Status epilepticus - Wikipedia

    en.wikipedia.org/wiki/Status_epilepticus

    The seizures can be of the tonic–clonic type, with a regular pattern of contraction and extension of the arms and legs, or of types that do not involve contractions, such as absence seizures or complex partial seizures. [1] Status epilepticus is a life-threatening medical emergency, particularly if treatment is delayed. [1]

  4. Causes of seizures - Wikipedia

    en.wikipedia.org/wiki/Causes_of_seizures

    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]

  5. Jeavons syndrome - Wikipedia

    en.wikipedia.org/wiki/Jeavons_Syndrome

    Jeavons syndrome is a type of epilepsy.It is one of the most distinctive reflex syndromes of idiopathic generalized epilepsy characterized by the triad of eyelid myoclonia with and without absences, eye-closure-induced seizures, EEG paroxysms, or both, and photosensitivity.

  6. Epilepsy syndromes - Wikipedia

    en.wikipedia.org/wiki/Epilepsy_syndromes

    Syndromes are characterized into 4 groups based on epilepsy type: [1] a. Generalized onset epilepsy syndromes. These epilepsy syndromes have only generalized-onset seizures and include both the idiopathic generalized epilepsies (specifically childhood absence epilepsy, juvenile absence epilepsy, juvenile myoclonic epilepsy and epilepsy with generalized tonic- clonic seizures alone), as well as ...

  7. Spike-and-wave - Wikipedia

    en.wikipedia.org/wiki/Spike-and-wave

    Atypical absence seizures have a higher frequency in children with severe epilepsy that suffer from multiple types of seizures. The spike-and-wave pattern seen here is more irregular than the generalized pattern and also seems to be slower. This irregular pattern is due to non-synchronous discharges of the thalamocortical circuitry. The onset ...

  8. Myoclonic astatic epilepsy - Wikipedia

    en.wikipedia.org/wiki/Myoclonic_astatic_epilepsy

    Myoclonic seizures: seizures with rapid, brief contractions of muscles. Atonic seizures: seizures with a sudden loss of muscle tone, often resulting in sudden collapse. These are also called drop seizures or astatic seizures. Absence seizures: a generalized seizure characterized by staring off and occasionally some orofacial automatisms.

  9. Seizure types - Wikipedia

    en.wikipedia.org/wiki/Seizure_types

    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.

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