Discussion A case series and subsequent alert by the Massachusetts Department of Public
Health identified 13 cases of an opioid-associated amnestic syndrome between 2012 and …

Objective An opioid-associated amnestic syndrome (OAS) characterized by acute onset
memory loss and bilateral hippocampal signal abnormalities on brain imaging in the setting …

DISCUSSION This is the first case, to our knowledge, of an opioid-related amnestic
syndrome identified in the western United States. Similar to reported cases from the eastern …

A 52-year-old man developed acute amnestic syndrome after being found unconscious for
over 12 hours. After roughly 24 hours, his delirium had cleared and his neurological …

Acute hippocampal injury represents a relatively rare cause of amnesia. Interestingly
however, between 2012 and 2017, 18 patients were reported at hospitals in Massachusetts …

Acute, complete, and bilateral ischemia of the hippocampus is a rare cause of memory loss
(associated with toxic exposure, among other etiologies) that has been reported rarely and …

Fentanyl Overdose and Acute Amnestic Syndrome A syndrome of severe amnesia and
medial temporal changes on magnetic resonance imaging after drug overdose has been …

Incidence of opioid‐related overdoses in the United States has increased dramatically over
the past two decades. Despite public emphasis on overdose fatalities, most overdose cases …

A 66-yr-old male patient planned to undergo right cochleosacculotomy for M&i&e's disease
complained of chronic refractory hiccups that lasted for 8 mo and did not respond to …

IMPLICATIONS: Transient global amnesia (TGA) is an amnestic syndrome with an abrupt
onset. The hallmark of TGA is a sudden inability to form new memories despite normal …