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Symptoms of transient epileptic amnesia1/14/2024 ![]() ![]() TEA is characterized by recurrent episodes of acute transient amnesia lasting less than one hour. Transient epileptic amnesia (TEA) is a subtype of medial temporal lobe epilepsy with late onset. Both represent potentially reversible memory disturbances and have a treatment based on antiepileptic drugs. Two atypical clinical epileptic syndromes should be pointed out in the elderly: the transient epileptic amnesia and the epileptic pseudodementia. ictal memory disturbances, or between seizures, i.e. These memory disturbances may occur during seizures, i.e. Treatment of recurrent TGA in a man with a history of migraine.The epileptic syndromes, notably the temporal lobe epilepsy, frequently include memory disturbances. ![]() We found a single report of metoprolol use for The cause of transient global amnesia is not known, but migraines seem to beĪssociated in many cases. Vascular disease, heart conditions, and adverse drug events, as this will These reports emphasize the need to rule out all other possibleĬauses of recurrent TGA type episodes, such as transient epileptic amnesia, Much of what we know about treatment of recurrent TGA comes from single case Acute emotional distress (e.g., from bad news, conflict or being overworked).Medical procedures, such as angiography or endoscopy.For some, it may be possible to prevent TGA by avoiding People with repeat episodes of TGA should document the circumstances Most people with TGA do not experience repeat There is no specific treatment for transient global amnesia (TGA).įortunately, this condition resolves on its own, typically within hours of The use of several illicit drugs, or sometimes, relatively small doses of ![]() There is a distinct form of TGA that may occur following excessive alcohol Emotional distress or psychological stress.Some speculate that TGA may have multiple different causes.Įvents that reportedly may trigger an episode of TGA include: Because no one theory appears to apply to all people with TGA, However, none of these theories clearly and consistently explain the features A relation to migraine (some studies have shown that history of migraine is associated with TGA).Hypoxia (deficiency of oxygen supply) and/or ischemia (deficiency of blood supply).A vascular etiology, such as venous flow abnormalities.Possible mechanisms that have been proposed There is currently no consensus on an underlying cause of transient globalĪmnesia (TGA). Other less common symptoms include headache, nausea, dizziness, anxiety, and feelings of tingling and numbness in hands, feet, arms or legs.In rare cases, some people may not remember an additional short period of time just before the TGA episode. This does not include the time during the episode when no new memories could be made. Within 24 hours of the end of the TGA episode, any memories from the past lost during the episode will completely return.When the episode is over, the person will be able to make new memories again, but there will be no memories from the time during the episode. The TGA episode lasts between 1 and 10 hours (6 hours is the average).For example, reflexes, balance and coordination are normal. No other neurological problems are noticed during an exam.The person is able to perform normal complex daily tasks such as driving or cooking. In other words, even during the TGA episode, the person will know who they are and will be able to recognize and name familiar objects and people. Other cognitive functions (ability to think) are not affected.The period of memory loss varies and may extend back hours to days or weeks, but only in rare instances, years. During the TGA episode, the person may forget memories from the recent past (retrograde amnesia).This may be described as the person sounding like a "broken record." During the episode of TGA, the person will seem disoriented in time and often ask questions about the date or their environment over and over again. This is called prominent anterograde amnesia. The main sign of TGA is being temporarily unable to form new memories.The signs and symptoms of tansient global amnesia (TGA) have been clearly ![]()
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