Absence seizures
Absence seizures
Absence seizures (pronounced: ab-suhns see-zhurs) are a type of epilepsy that is characterized by brief, sudden lapses of consciousness. They are more common in children than in adults and are also known as petit mal seizures.
Etymology
The term "absence" comes from the Latin word "absentia", which means "being away". It refers to the brief periods of "absence" or "unawareness" that characterize this type of seizure. The term "seizure" comes from the Old French word "saisir", which means "to take hold of" or "to attack".
Symptoms
The main symptom of an absence seizure is a brief loss of awareness, which can appear as a staring spell. Other symptoms can include subtle body movements, such as eye blinking or lip smacking. These seizures are usually brief, lasting only a few seconds.
Causes
Absence seizures are caused by abnormal electrical activity in the brain. They are often genetic and may be triggered by specific activities, such as hyperventilation or flashing lights.
Diagnosis
Diagnosis of absence seizures typically involves a detailed medical history and a neurological exam. Tests may include an EEG, which can detect the characteristic pattern of electrical activity in the brain associated with absence seizures.
Treatment
Treatment for absence seizures typically involves medications to control seizures. In some cases, changes to diet or lifestyle may also be recommended.
Related Terms
External links
- Medical encyclopedia article on Absence seizures
- Wikipedia's article - Absence seizures
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