The study found a test measuring certain proteins in the brain had about a 90% accuracy rate in diagnosing Alzheimer's in those with cognitive symptoms, compared to primary care doctors' 61% and specialists' 73% accuracy rate.
The blood test, only available in research trials, is crucial for ruling out Alzheimer's as the reason for a patient's cognitive impairment, leading to proper treatment of the actual cause.
Having the blood test available in primary care physician's offices would be a significant advancement, enabling patients to access treatments, understand the disease, and plan for the future.
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