Evolution of hippocampal CA-1 diffusion lesions in transient global amnesia. Diffusion-weighted MRI in transient global amnesia and its diagnostic implications. Clinical features, risk factors, and prognosis in transient global amnesia: a follow-up study. Time trends, frequency, characteristics and prognosis of short-term duration transient global amnesia. Prevalence of obstructive sleep apnea syndrome in a population of patients with transient global amnesia. Coronavirus disease-19 (COVID-19) related acute stroke causing transient global amnesia. Interaction between the heart and the brain in transient global amnesia. The risk of Takotsubo cardiomyopathy in acute neurological disease. Morris NA, Chatterjee A, Adejumo OL, et al. Long-term outcome in patients with transient global amnesia: a population-based study. Migraine is associated with a higher risk of transient global amnesia: a nationwide cohort study. Strong association between migraine and transient global amnesia. The distribution of the transient global amnesia in the province of Ferrara, Italy, a clue to the pathogenesis?. What does transient global amnesia really mean? Review of the literature and thorough study of 142 cases. Quinette P, Guillery-Girard B, Dayan J, et al. Transient global amnesia: current perspectives. Transient global amnesia: a brief review and update. Shedding light on the clinical recognition process of transient global amnesia. Syndromes of transient amnesia: towards a classification. There is conflicting evidence as to whether an episode of TGA predisposes to future seizures or dementia. No apparent increased risk of cerebrovascular events occurs in patients who have had an episode of TGA. Recent evidence suggests an association between TGA and migraine headaches as well as takotsubo cardiomyopathy. The lifetime recurrence rate is 2.9% to 23.8%. There is no established treatment for episodes. TGA is self-limited and resolves within 24 hours. The diagnosis is primarily clinical, but recent studies suggest that magnetic resonance imaging may be helpful. The pathophysiology of TGA is not well understood but may be related to impaired venous drainage of the hippocampus. A physically or psychologically stressful precipitating event, such as emotional stress, significant physical exertion, exposure to extreme temperatures, high-altitude conditions, Valsalva maneuver, acute illness, or sexual intercourse, is often the cause. Vomiting, headache, blurry vision, dizziness, and nausea may be present. Clinically, patients have time disorientation and often ask repeated questions regarding the day's events. Most commonly seen in patients older than 50 years, TGA results from the temporary impairment of short-term memory formation. Transient global amnesia (TGA) is a clinical syndrome characterized by anterograde amnesia, mild retrograde amnesia, and confusion up to 24 hours.
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