Monday, April 25, 2011

Alzheimer's Disease- Why So Hard to Diagnose?



Alzheimer's disease (AD) should be simple to diagnose, right? How hard can it be for a doctor to decide if memory loss is a normal part of aging, or if it is severe enough to "count" as Alzheimer's? Well, if diseases only occurred one at a time, it might be simple. Unfortunately, as old Texas doc's say, when you itch, it's possible you've got ticks AND fleas. I find in family medicine, it's rare we see any disease state by itself, and Alzheimer's is no exception.

Many different issues can affect memory. Depression and/or anxiety very frequently preoccupy the brain so much that short term memory loss can be a predominant issue. Low thyroid levels can decrease memory. B12 deficiency is another cause. The list of medications that can affect memory seems to be growing each year as well.

When my mother first noticed significant memory issues at the age of 61, she was convinced she had Alzheimer's. I literally laughed when she told me her concerns...We had no family history of early or even late onset dementia. She had recently started a medication known for impairing memory (Digoxin.) As her medical workup progressed, I was relieved to find out she had not only that medication as a possible cause, but literally every cause I listed above- B12 deficiency, hypothyroidism and depression. I felt confident that as we addressed each of these problems, her memory would improve. In many cases, that would have been true, but unfortunately for Mom, she did indeed have underlying Alzheimer's, which took roughly another two years to fully decipher.

If you are concerned about memory loss, please make an appointment with your family physician to address your concerns. Head to the Alzheimer's Association website and review the 10 Warning Signs of Alzheimer's. Until those biomarkers for AD become more refined, physicians will not have a quick or simple answer, but a thorough history and exam, combined with possible neuropsychiatric testing, will take us a long way in the right direction.

BOTTOM LINE: Memory loss can have many different causes, and these causes can and frequently do overlap.

3 comments:

Diana Rose said...

It is very helpful to a hypothyroid victim like me. In my opinion, natural bovine supplements are much better compared to synthetics.

PlumberSydney said...

Millions of people across the world are experiencing Alzheimer’s disease and it’s been nice to have read this article.

Alzheimer’s clinic

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