Transient global amnesia is disturbed memory typically caused by vascular or ischemic lesions in the brain. Diagnosis is primarily clinical but includes laboratory tests and CT, MRI, or both to evaluate central circulation.
Transient global amnesia
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In transient global amnesia, there is a sudden onset of severe amnesia that lasts for several hours before resolution. Afterwards the person is unable to recall events during the period of amnesia.
It is very important to distinguish an epileptic seizure from nonepileptic events such as syncope, transient ischemic attack, migraine, movement disorders, paroxysmal vertigo, transient global amnesia, sleep disorders, and psychiatric disorders.
A curious condition called transient global amnesia causes delirium (a period of waxing and waning confusion and agitation), anterograde amnesia, ...
TIA (Amaurosis fugax, Transient global amnesia)
Stroke (MCA, ACA, PCA, Foville's, Millard-Gubler, Lateral medullary, Weber's, Lacunar stroke)
Sleep disorders ...
Amnesia can be caused by damage to areas of the brain that are vital for memory processing. Unlike a temporary episode of memory loss (transient global amnesia), amnestic syndrome can be permanent.
Illness that results in the loss of nerve cells (neurodegenerative illness)
Nutritional problems (vitamin deficiencies such as low vitamin B12)
Seizures
Stroke or transient ischemic attack (TIA)
Transient global amnesia
Temporal lobe brain surgery ...
Mild head injury or concussion
Nutritional problems (vitamin deficiencies such as low vitamin B12)
Permanent damage or injuries to the brain
Transient global amnesia
Transient ischemic attack (TIA) ...
 See also: Symptom, Encephalitis, Trauma, Alzheimer, Seizure
  
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