title: Investigation of the elderly patient.
mesh_terms: D000368:Aged; D001431:Bacteriological Techniques; D001774:Blood Chemical Analysis; D004562:Electrocardiography; D005853:Geriatrics; D006403:Hematologic Tests; D006801:Humans; D008487:Medical History Taking; D010808:Physical Examination; D013902:Radiography, Thoracic