Transient global amnesia
Transient global amnesia (pronunciation: tran-zee-uhnt gloh-buhl am-nee-zhuh) is a sudden, temporary episode of memory loss that can't be attributed to a more common neurological condition, such as epilepsy or stroke. During an episode of transient global amnesia, your recall of recent events simply vanishes, so you can't remember where you are or how you got there.
Etymology
The term "Transient global amnesia" is derived from the Latin word "transiens" meaning "passing over", the Greek word "globus" meaning "sphere" (referring to the brain), and the Greek word "amnesia" meaning "forgetfulness".
Symptoms
The main symptom of Transient global amnesia is a sudden inability to form new memories. This is known as anterograde amnesia. People experiencing transient global amnesia may also have retrograde amnesia, meaning they can't remember events that occurred shortly before the onset of the condition. Other symptoms may include confusion, disorientation, or unusual behaviors.
Causes
The exact cause of Transient global amnesia is unknown. Some researchers believe it may occur as a result of migraine, while others believe it may be related to seizure disorders. It has also been associated with certain procedures, such as cardiac catheterization, angiography, or endoscopy.
Diagnosis
Diagnosis of Transient global amnesia is typically based on ruling out other conditions, such as stroke or epilepsy. This may involve a physical examination, a neurological examination, and imaging tests such as a CT scan or MRI.
Treatment
There is no specific treatment for Transient global amnesia. The condition typically resolves on its own without treatment. However, it's important to seek medical attention if you experience symptoms of transient global amnesia to rule out more serious conditions.
Related Terms
- Amnesia
- Anterograde amnesia
- Retrograde amnesia
- Migraine
- Seizure
- Stroke
- Epilepsy
- Cardiac catheterization
- Angiography
- Endoscopy
- CT scan
- MRI
External links
- Medical encyclopedia article on Transient global amnesia
- Wikipedia's article - Transient global amnesia
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