A 72-year-old female is brought to the clinic by her daughter due to concerns about her mother's progressive memory loss, difficulty with executive functions, and changes in personality over the past year. The daughter reports no acute confusional states. Which of the following is the most appropriate initial diagnostic workup for the Family Nurse Practitioner?
- AOrder a PET scan of the brain to look for amyloid plaques.
- BRefer immediately to a neurologist for advanced imaging and specialized testing.
- CInitiate a trial of cholinesterase inhibitors and reassess in 3 months.
- DPerform a comprehensive history, physical exam, cognitive assessment, and routine laboratory tests.
Show answer & explanationAnswer & explanation
Correct answer: D. Perform a comprehensive history, physical exam, cognitive assessment, and routine laboratory tests.
Evaluating new-onset cognitive decline requires a thorough initial workup to rule out reversible causes and establish a baseline. This includes a detailed history, physical and neurological exam, cognitive assessment (e.g., MMSE, MoCA), and routine lab tests to check for conditions like thyroid dysfunction, vitamin B12 deficiency, and electrolyte imbalances.
Why the other options are wrong
- A. PET scans for amyloid plaques are specialized tests, typically not part of the initial workup and used for specific diagnostic clarification, not general screening.
- B. While neurology referral may be necessary later, the FNP can and should perform the initial comprehensive workup to rule out common reversible causes first.
- C. Initiating medication without a proper diagnosis and ruling out reversible causes is premature and inappropriate.
Dementia Initial Workup
The initial diagnostic workup for suspected dementia involves a comprehensive assessment to identify the type of dementia and rule out reversible causes. This includes detailed history, physical and neurological exams, cognitive screening, and routine laboratory tests.
- Goals: Identify reversible causes (e.g., B12 deficiency, hypothyroidism, depression).
- Cognitive assessments (MMSE, MoCA) are standard screening tools.
- Laboratory tests often include CBC, CMP, TSH, B12, folate, RPR/VDRL.
Memory trick: Dementia Demands Diligent Diagnostics.