Nursing Older People: Dementia
The International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10) defines dementia as (1) a syndrome that is caused by a chronic or progressive disease of the brain, that (2) causes multiple disturbances of higher cortical functions, and (3) is characterized by impairment in memory without impairment in consciousness. Dementia affects all areas of the brain and can occur at any age but is more common in people over 65 years of age, affecting 20% of those aged over 80 (Gulland, 2012).
A clinical diagnosis of dementia is made when a patient develops cognitive impairment severe enough to ...