There is no treatment available for transient global amnesia as from all previous cases documented, they have simply resolved on their own with no lingering effects noted. Treatment and Prevention of Transient Global Amnesia An electroencephalogram (EEG) may also be used to look for seizure activity. Looking at the structure of the brain may give clue to a potential stroke event or a tumor growth can be easily observed via computerized tomography (CT) or magnetic resonance imaging (MRI). Questions regarding thinking, judgment, and memory may also be asked.īrain and imaging tests: These are primarily looking for any pathology that may be causing the memory loss. Physical exam: Consists of a neurological exam that tests reflexes, muscle tone, muscle strength, sensory function, gait, posture, coordination, and balance. If a person were to present with the condition, the attending physician may perform the following to reach a diagnosis: Unfortunately, there is no single test to diagnosing transient global amnesia, but instead, it is considered a clinical diagnosis through the documentation of various clues and ruling out other potential causes of symptoms. No evidence of seizure during amnesia period.Show no signs of damage to any part of the brain, such as limb paralysis, involuntary movement, or impaired world recognition.Normal cognition, as in retaining the ability to recognize and name familiar objects and follow simple directions.Retention of personality, despite the amnesia.Sudden onset of memory loss, verified by a witness.To be diagnosed with global transient amnesia, a doctor would have to see the following necessary symptoms: This symptom of memory usually lasts one to eight hours but can last as little as 30 minutes or as long as 24 hours, albeit rarely. There are no physical symptoms present aside from the one affected looking more alert and anxious than usual. This includes the inability to form new memories and recall events that happened after the amnesia occurred. Transient global amnesia is defined as a sudden but temporary loss of memory. Experiencing such a phenomenon may raise questions of a more serious underlying condition that may prompt neuro examination and tests by a physician. Not knowing what is happening around you can lead to severe emotional distress, and this may lead to more rash and unsafe decision if no one you know is around to help you. The clearest risk factors appear to be:Ĭomplications of Transient Global AmnesiaĮxperiencing a condition such as this may lead to a bevy of complications, but none of which occur as a direct cause of the amnesia itself. While a direct cause for global transient amnesia is relatively unknown, it may be associated with some risk factors. What Are the Risk Factors of Transient Global Amnesia? The following are commonly reported events that have led to a global transient amnesia episode: The cause of transient global amnesia is not well understood, but there appears to be a link between the condition and a previous history of migraines-this correlation is not well understood either. Causes, Risk Factors, and Complications of Transient Global Amnesia For men, it occurs most likely after a physical precipitating event, and for women, it can occur after emotionally precipitating events, a history of anxiety, or a pathological personality. Transient global amnesia affects both men and women somewhat equally but either gender has different triggers. Among older adults – over 50 years – cases jump to 23.5 per 100,000 meaning that this condition is more prevalent for older adults. CausesĪlthough the exact cause of TGA is not known, the possible cause is a history of migraines.In the United States, cases of transient global amnesia are estimated at 5.2 cases per 100,000 population. During the period of amnesia, the person does not experience seizures. Signs indicating damage to a part of the brain, such as involuntary movements, limb paralysis, or impaired word recognition are not produced. It does not involve loss of self-identity, clouding of consciousness or behavioral changes. The other associated symptoms include headache, dizziness, and nausea. Unaffected cognition – The person can recognize people, name familiar objects and understand simple instructions. Repetitive questioning – Individuals with TGA are disoriented and keep questioning repeatedly about the time, place, and their present situation. Symptoms do not persist for more than 24 hours, and the memory returns gradually. The most significant symptom of TGA is the inability of the patient to recall the recent past or to add new memories.
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