Complete amnesia

Transient global amnesia syndrome (TGA) is a clinical syndrome of transient amnesia that occurs suddenly and lasts 1 to 24 hours. At the time of the attack, the patient cannot remember new things, with varying degrees of distance. Memory loss, but self-knowledge, speaking, writing, and computing power remained good. The clinical characteristics of TGA are generally occurred in middle-aged and elderly people who have previous physical health or no obvious cardiovascular and cerebrovascular diseases. It manifests as sudden near memory loss, short-term inability to acquire new knowledge, varying degrees of retrograde forgetting, often sitting upset, and asking the same questions repeatedly. Inter-seizure conversation, writing and computing skills remain normal, personality retention, complete self-knowledge, symptoms last for several hours, and can be fully recovered within 24 hours (mostly 3-6 hours). More women than men. The prominent clinical symptoms of the patient were sudden transient near-memory loss with dizziness and bloating, complete self-knowledge, unconscious loss, and positive signs of the nervous system. He fully recovered within 24 hours and met the TGA diagnostic criteria.

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