Transient Global Amnesia: Emergency Department Evaluation And Management

• Transient global amnesia (TGA) is a clinical syndrome defined by the acute onset of profound anterograde amnesia (the inability to form new memories) lasting up to 24 hours (mean duration of symptoms 4-6 hours) in the absence of other neurologic deficits or changes in alertness and cognition.
• TGA patients retain implicit and procedural memory (motor tasks and coordination), but struggle with delayed recall (ie, remembering something 5 minutes later).

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