They often begin mildly and progress over time. Symptoms vary according to the cause of the dementia, but often include:
Doctors diagnose dementia by:
There are no blood tests or exams that can definitively diagnose Alzheimer's disease. Certain types of brain imaging such as a SPECT or a PET scan may aid in a diagnosis. Tests to rule out other causes of dementia and other medical conditions that may mimic dementia include:
The doctor will also check to see if you have depression . It can often present like dementia.
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