![]() ![]() Various proponents have advocated ischemic, migrainous. What causes TGA For years this question has been debated. There are no apparent long-term sequelae, and recurrence is uncommon. Without warning, the patient suddenly experiences antegrade memory loss.1,2 As quickly as the amnesic syndrome appears, it resolves, usually within 24 hours. Transient Global Amnesia is aimed at any clinician with an interest in, or who encounters patients with, acute amnesia: neurologists, general physicians, old age psychiatrists, geriatricians, clinical neuropsychologists, and primary care physicians, as well as other professions allied to medicine with similar interests, such as members of memory assessment teams. The authors have studied 30 patients with transient global amnesia aged between 49 and 76 years (median age of 63 years), without focal neurologic signs that have been followed for periods varying between 6 months and 10 years. Transient global amnesia (TGA) is a dramatic event. It is often wrongly diagnosed as a transient ischemic attack (TIA) or 'mini' stroke. Objective: To study the long-term risk of cerebrovascular events, seizures, and cognitive impairment in patients with transient global amnesia (TGA). Based in part on the author’s experience of TGA cases over 15 years and in part on a review of the published literature, this book will hopefully enlighten clinicians from a broad range of medical backgrounds on the clinical features, investigation, and pathogenesis of TGA. Transient global amnesia is a unique and relatively common neurologic event that is poorly understood and frequently misdiagnosed. INTRODUCTION Transient global amnesia (TGA) is a clinical syndrome characterized by the acute onset of anterograde amnesia (the inability to form new memories) 1-3. Each of the chapters is devoted to a practical and structured overview of the particular topic, with use of case studies to illustrate the material. Glenn A Tung, MD, FACR Deputy Editor: Janet L Wilterdink, MD Literature review current through: Apr 2023. The investigation and management of TGA is then discussed, followed by treatment and prognosis. ![]() First, it deals with the history of TGA before moving on to clinical and diagnostic features, and differential diagnosis. Additional testing and referrals may be needed to make a firm diagnosis. It is important to track new and ongoing symptoms, follow the management plan, and continue meeting regularly with the doctors. This brief, accessible book covers all aspects of transient global amnesia (TGA). Monitoring changes in a patient’s health and responses to various treatments may offer further clues. ![]()
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