Abbreviations: Afib: atrial fibrillation; ALF: assisted living facility; ARDS: acute respiratory distress syndrome; CAD: coronary artery disease; CKD: chronic kidney disease; CHF: congestive heart failure; COPD: chronic obstructive pulmonary disease; CVD: cardiovascular disease; DDD: degenerative disc disease; DM2: diabetes mellitus type 2; ECF: extended care facility; ESLD: end-stage liver disease; ETOH: alcohol; GH: group home; HTN: hypertension; NH: nursing home; nOH: neurogenic orthostatic hypotension; PAD: peripheral arterial disease; PVD: peripheral vascular disease; PE: pulmonary embolism; SDH: subdural hematoma. * patient receiving amantadine or memantine prior to hospitalization as part of treatment for movement disorder.