Reversible Neurocognitive Disorders (Reversible Causes of "Dementia") • Structural/Mass: Subdural Hematoma, NPH, Intracranial tumor • Infection: Meningitis, Encephalitis, Abscess, Neurosyphilis, Lime disease, Whipple's disease • Endocrine: Hypo/hyperthyroidism, Hashimoto's encephalitis, Hypo/hyperparathyroidism, Pituitary insufficiency, Hypercalcemia, Cushing's disease • Other: Depression, Epilepsy, Drugs/toxins, Alcohol, Sleep apnea, Vasculitis, Nutritional UCSD Internal Medicine @ucsdim #Reversible #Neurocognitive #Disorders #dementia #differential #diagnosis #causes #neurology