Snapshot A 78-year-old man presents to his primary care clinic with his wife. He feels well, but his wife is concerned that he has been forgetful. She noticed he had trouble with remembering things over the course of the year. She says that he has been getting lost recently when he goes to the local grocery store. She has noticed that he has become more irritable. He would frequently forget things that were recently told him. Physical examination and laboratory studies are normal. Montreal Cognitive Assessment is 22 out of 30. Introduction Definition login to view 6 more bullets Epidemiology login to view 6 more bullets Etiology login to view 8 more bullets Pathogenesis login to view 8 more bullets Associated conditions login to view 2 more bullets Presentation impaired declarative episodic memory login to view 1 more bullet impaired ability to remember new pieces of information visuospatial and language deficits behavioral and psychological impairment login to view 3 more bullets Imaging MRI brain login to view 2 more bullets Studies Clinical diagnosis login to view 4 more bullets Differential Normal pressure hydrocephalus login to view 4 more bullets Vascular dementia login to view 2 more bullets Creutzfeldt-Jakob disease login to view 3 more bullets Normal aging login to view 4 more bullets Dementia with Lewy bodies login to view 6 more bullets Frontotemporal dementia login to view 3 more bullets Treatment Medical login to view 12 more bullets Complications Difficulty with eating or refusal to eat Infection