Epileptic seizure
Epileptic Seizure
An Epileptic seizure (pronounced: /ˌepɪˈleptɪk ˈsiːʒər/), also known as an epileptic fit, is a brief episode of signs or symptoms due to abnormal excessive or synchronous neuronal activity in the brain[1]. The outward effect can vary from uncontrolled jerking movement (tonic-clonic seizure) to as subtle as a momentary loss of awareness (absence seizure).
Etymology
The term "Epileptic seizure" is derived from the Greek word "epilēpsía" meaning "to seize, possess, or afflict"[2].
Types of Epileptic Seizures
Epileptic seizures are classified into two main types: focal seizures and generalized seizures. Focal seizures are further divided into simple partial seizures and complex partial seizures. Generalized seizures include tonic-clonic seizures, absence seizures, myoclonic seizures, clonic seizures, tonic seizures, and atonic seizures[3].
Related Terms
- Epilepsy: A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.
- Seizure threshold: The balance between excitatory and inhibitory forces in the brain which affects how susceptible a person is to seizures.
- Status epilepticus: A dangerous condition in which epileptic seizures follow one another without recovery of consciousness between them.
- Postictal state: The altered state of consciousness after an epileptic seizure.
See Also
References
External links
- Medical encyclopedia article on Epileptic seizure
- Wikipedia's article - Epileptic seizure
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