Diagnosing Alzheimer’s and other dementia

There is no single way to test and officially diagnose Alzheimer’s or dementia. Physicians and physician teams instead use a series of steps and other factors to determine a living diagnosis. Oftentimes these steps can help physicians diagnose a person with dementia, however, they do not always explain the cause. 

Physicians combine the following tools to administer a diagnosis:

  • Reviewing medical history for both the individual and family. This includes psychiatric history and history of behavioral or cognitive changes.
  • Conducting blood tests and brain imaging to rule out other potential causes of dementia symptoms. 
  • Speaking with a family member to learn about changes in skills or behavior. 
  • Conducting cognitive tests as well as neurological examinations. 
  • Brain imaging to detect high levels of beta-amyloid, a hallmark of Alzheimer’s disease. 

Though Alzheimer’s disease is the most common cause of dementia, there are other possible causes. Different symptom patterns often indicate different causes of dementia. Physicians will use the series of tests to try and determine the single or mixed sources of dementia symptoms. The better they understand the sources, the more comprehensively they can design a treatment plan. 

Though no exact test exists for living individuals yet, understanding the process can help you know what to expect when going in to be seen by a physician regarding memory loss. If you aren’t sure where to start, we have resources designed to help you find a provider, understand your diagnosis, and decide how to move forward. Call our 24/7 Helpline for assistance at any stage: 800.272.3900.

For more from our Facts & Figures 2020 Report, click here.

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