Snapshot A 62-year-old man presents to his primary care physician due to trouble with walking and difficulty with concentrating. The patient describes his walking as if he is "stuck to the ground." On gait testing, the patient has magnetic gait and on montreal cognitive assessment (MoCA) testing, he has a deficit in executive functioning. Laboratory tests are ordered and return normal. Lumbar puncture shows a normal opening pressure and magnetic resonance imaging (MRI) of the head is shown. (Normal pressure hydrocephalus) Introduction Clinical definition login to view 2 more bullets Etiology login to view 5 more bullets Management login to view 8 more bullets Examples of dementia given in section below Vascular Dementia Clinical definition login to view 3 more bullets Epidemilogy login to view 5 more bullets Pathogenesis login to view 2 more bullets Presentation login to view 13 more bullets Imaging login to view 4 more bullets Diagnosis login to view 7 more bullets Treatment login to view 5 more bullets Normal Pressure Hydrocephalus Clinical definition login to view 3 more bullets Pathogenesis login to view 8 more bullets Presentation login to view 4 more bullets Diagnosis login to view 5 more bullets Treatment login to view 1 more bullet Dementia Secondary to Infection HIV-associated neurocognitive disorder login to view 16 more bullets Neurosyphilis Dementia Secondary to Metabolic Causes Thiamine deficiency (Wernicke-Korsakoff encephalopathy) Vitamin B12 deficiency Hypothyroidism Alcohol-related dementia