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Status epilepticus ( SE ), or status seizure, is a medical condition consisting of a single seizure lasting more than 5 minutes, or 2 or more seizures within a 5-minute period without the person returning to normal between them. [ 3][ 1] Previous definitions used a 30-minute time limit. [ 2] The seizures can be of the tonic–clonic type, with ...
Psychogenic non-epileptic seizures ( PNES ), also referred to as pseudoseizures, non-epileptic attack disorder ( NEAD ), functional seizures, or dissociative seizures,[ 2][ 3] are episodes resembling an epileptic seizure but without the characteristic electrical discharges associated with epilepsy. [ 4][ 3] PNES fall under the category of ...
Specialty. Neurology. 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 ...
Epilepsy is a group of non-communicable neurological disorders characterized by recurrent epileptic seizures. [ 10] An epileptic seizure is the clinical manifestation of an abnormal, excessive, and synchronized electrical discharge in the neurons. [ 1] The occurrence of two or more unprovoked seizures defines epilepsy. [ 11]
A seizure is a period of symptoms due to abnormally excessive or synchronous neuronal activity in the brain. [6] Outward effects vary from uncontrolled shaking movements involving much of the body with loss of consciousness (tonic-clonic seizure), to shaking movements involving only part of the body with variable levels of consciousness (focal seizure), to a subtle momentary loss of awareness ...
Postictal state. The postictal state is the altered state of consciousness after an epileptic seizure. It usually lasts between 5 and 30 minutes, but sometimes longer in the case of larger or more severe seizures, and is characterized by drowsiness, confusion, nausea, hypertension, headache or migraine, and other disorienting symptoms.
Generalized epilepsy is a form of epilepsy characterised by generalised seizures with no apparent cause. [ 1] Generalized seizures, as opposed to focal seizures, are a type of seizure that impairs consciousness and distorts the electrical activity of the whole or a larger portion of the brain (which can be seen, for example, on ...
Convulsion. A convulsion is a medical condition where the body muscles contract and relax rapidly and repeatedly, resulting in uncontrolled shaking. [ 1] 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 ...