Absence seizures
Definition
Absence seizures are a type of generalized seizure characterized by brief, sudden lapses in attention and activity. They typically last a few seconds and are most common in children.
5 Must Know Facts For Your Next Test
- Absence seizures usually last between 5 to 10 seconds.
- They often occur multiple times a day.
- Ethosuximide is the drug of choice for treating absence seizures.
- Absence seizures are also known as petit mal seizures.
- EEG findings typically show generalized 3 Hz spike-and-wave discharges.
Review Questions
- What is the typical duration of an absence seizure?
- Which medication is commonly prescribed to treat absence seizures?
- What is the characteristic EEG pattern seen in patients with absence seizures?
Related terms
Generalized Seizures: Seizures that affect both hemispheres of the brain from the onset.
Ethosuximide: A medication used to treat absence seizures by reducing neuronal excitability.
Electroencephalogram (EEG): A diagnostic test that measures electrical activity in the brain and helps identify different types of seizures.
