![]() ![]() The cause of TGA is however still unknown.Īnterograde amnesia diffusion weighted imaging hippocampus hypertension migraine transient global amnesia. In individuals aged 50 and older, the incidence increases to 23.5 to 32/100,000 per year. TGA is thought to result from a temporary hippocampal dysfunction supported by the clinical presentation and MRI findings. The incidence of TGA is about 5.2-10/100,000 per year in the general population. ![]() Korsakov's psychosis or syndrome, nonalcoholic. Transient epileptic amnesia (TEA) is a clinical presentation of focal epilepsy of presumed temporal origin which is characterized by self-resolving episodes of retrograde and/or anterograde amnesia (). This is the American ICD-10-CM version of F04 - other international versions of ICD-10 F04 may differ. The 2024 edition of ICD-10-CM F04 became effective on October 1, 2023. Our findings regarding age, sex distribution and precipitating events were in accordance with other studies. F04 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. MRI showed restricted diffusion in the hippocampal area in 10.3% of cases. In 96% of patients a computerized tomography was performed (no sign of acute changes were found), and magnetic resonance imaging (MRI) in 36.2% of cases. Possible precipitating events were found in 53.7% of cases, with physical activity being the most common one (24.4%), followed by sudden temperature change and emotional stress. The sex distribution was equal (49.9% female). The mean age was 64.1, with 50% of subjects between 58-70 years old. Overall, 348 attacks of TGA were identified with a mean frequency of 29 attacks/year, where 9.9% had an earlier history of TGA. Statistical processing was performed with Excel and Rstudio. Medical records were reviewed, and information about year and age at diagnosis, sex, symptoms, precipitating events, imaging results and risk factors were collected. We retrospectively analysed the medical history of patients with a diagnosis of TGA (ICD-10 G45.4) at the University Hospital in Iceland in 2010-2021. The aim of this study was to study TGA in the greater Reykjavik-area. TGA appears without other focal neurological symptoms. Transient Global Amnesia (TGA) is a benign syndrome characterized by sudden anterograde memory loss, that resolves spontaneously within 24 hours. ![]()
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