epileptic seizure
Học thuậtThân thiện
Definition
Noun: A sudden, uncontrolled electrical disturbance in the brain that causes temporary changes in behavior, movement, sensation, or awareness, typically accompanied by convulsions and impaired consciousness.
Usage
This term is used in medical and general contexts to describe a specific clinical event characteristic of epilepsy. * It functions as a countable noun (e.g., an epileptic seizure, multiple epileptic seizures). * It is often shortened to "seizure" when the context is clear, but "epileptic seizure" specifies the origin as a neurological disorder, distinguishing it from other types of seizures (e.g., psychogenic non-epileptic seizures).
Examples
- The patient was hospitalized after suffering a severe epileptic seizure.
- Medications are prescribed to reduce the frequency of epileptic seizures.
- During the epileptic seizure, he lost consciousness and his muscles stiffened.
Advanced Usage
- Generalized tonic-clonic epileptic seizure: A type involving loss of consciousness and violent muscle contractions (formerly called a seizure).
- Focal (partial) epileptic seizure: A type where the abnormal brain activity begins in one specific area, which may or may not involve impaired consciousness.
- Status epilepticus: A dangerous condition where epileptic seizures follow one another without recovery of consciousness in between, constituting a medical emergency.
Variants and Related Words
- Seizure (n.): The more general term, which can refer to an epileptic event or, in other contexts, a sudden attack (e.g., a ) or the act of taking possession (e.g., ).
- Convulsion (n.): Often used synonymously in lay terms, but technically refers specifically to the involuntary, violent muscular contractions that may accompany an epileptic seizure. Not all epileptic seizures involve convulsions.
- Ictus (n.): A formal medical term for a seizure or sudden attack.
- Epilepsy (n.): The chronic neurological disorder characterized by a tendency to have recurrent epileptic seizures.
Synonyms
- Fit (informal)
- Ictus (medical)
- Convulsion (when referring to the motor symptoms)
Related Phrases
- To have a seizure: The common verbal phrase describing the experience.
- Example: She had a seizure at school yesterday.
- To go into seizure: A phrase describing the onset of the event.
- Example: The patient went into seizure shortly after the stimulus.
- Seizure disorder: An alternative term for epilepsy, emphasizing the recurring nature of the events.
- Seizure activity: Term used in medical diagnostics (e.g., on an EEG reading) to indicate patterns associated with epileptic seizures.
Noun
- convulsions accompanied by impaired consciousness