Case Reports
20 June 2018
Vol. 12 No. 2 (2018)
https://doi.org/10.4081/itjm.2018.945

Transient global amnesia: an uncommon presentation of acute myocardial infarction

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Transient global amnesia, hippocampus, memory loss, acute myocardial infarction, sympathetic hyperactivity.
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Authors

Paolo Tirelli
Department of Internal Medicine, S. Maria di Loreto Nuovo Hospital, Naples, Italy.
Fulvio Cacciapuoti
Emergency Department, A. Cardarelli Hospital, Naples, Italy.
Filomena Scarano
Department of Internal Medicine, L. Vanvitelli University, Naples, Italy.
Federico Cacciapuoti
fulviocacciapuoti@gmail.com
Department of Internal Medicine, L. Vanvitelli University, Naples, Italy.
Transient global amnesia (TGA) is an acute neurological syndrome characterized by sudden-onset global (anterograde and retrograde) amnesia, without compromising other neurological functions. This clinical condition lasts up to 24 h with whole restoration. Several causes have been proposed as responsible for it. Among these, acute myocardial infarction (AMI) was reported as a rare cause of TGA. Sympathetic hyperactivity occurring too early in AMI seems to induce vasospasm, responsible for venous cerebral congestion acting on hippocampal and temporal structures and consequent memory loss. A rare case of TGA as precocious display of subsequent AMI was described.

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Transient global amnesia: an uncommon presentation of acute myocardial infarction. (2018). Italian Journal of Medicine, 12(2), 148-150. https://doi.org/10.4081/itjm.2018.945

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