Alzheimer's Evaluation & Medication Management

Alzheimer's Evaluation: Comprehensive Cognitive Assessment & Diagnostic Testing

Early and accurate diagnosis of Alzheimer's disease is essential for optimal treatment, care planning, and prognosis. A thorough Alzheimer's evaluation involves a detailed clinical history, objective cognitive testing, laboratory studies, and neuroimaging to confirm the diagnosis and rule out reversible causes of cognitive impairment. At KwikPsych in Austin, Texas, we provide comprehensive neuropsychiatric evaluation and coordinate with specialists to ensure complete diagnostic workup.

When to Seek Evaluation for Memory Loss or Cognitive Decline

Seek professional evaluation if you or a loved one experiences:

• Memory loss that interferes with daily activities or work
• Difficulty with familiar tasks (cooking, managing finances, driving)
• Getting lost in familiar places
• Difficulty finding words or following conversations
• Mood or personality changes
• Increased confusion or disorientation
• Family history of dementia
• Recent or progressive cognitive changes lasting weeks to months

Normal aging may include occasional forgetfulness, but Alzheimer's involves noticeable decline that interferes with function and progresses over time.

Components of a Comprehensive Alzheimer's Evaluation

Clinical History & Mental Status Examination

Your evaluation begins with a detailed interview and physical examination.

History Gathering

• Onset and timeline of cognitive symptoms
• What functions are most affected (memory, language, judgment, planning)
• Impact on daily activities: work, driving, managing finances, self-care
• Mood and behavioral changes
• Medical history: stroke, diabetes, hypertension, traumatic brain injury
• Family history of dementia or neurodegenerative disease
• Current medications and supplements
• Substance use history
• Social and occupational history
• Functional baseline and current functional abilities

Informant Interview

We strongly encourage a family member or close contact who knows the person well to participate. Family members often notice subtle changes the patient may minimize or not recognize. Informants provide crucial perspective on symptom onset, progression, and functional impact.

Mental Status Examination

• General appearance, orientation to person, place, time
• Attention and concentration
• Memory: immediate, recent, and remote
• Language: comprehension, word-finding, repetition, naming
• Executive function: calculation, similarity/differences, abstraction
• Visuospatial skills: copying figures, drawing clock
• Mood and affect
• Thought process and content
• Insight and judgment

Objective Cognitive Testing

Brief cognitive screening tests can detect dementia quickly in office settings. These help distinguish normal aging from pathologic decline.

Mini-Cog

• Time: 3–5 minutes
• Components: Three-word recall + clock drawing
• Sensitivity: 76-84% for detecting dementia
• Use: Rapid office screening; good for detecting MCI and dementia
• Limitation: May miss early disease or mild impairment

Montreal Cognitive Assessment (MoCA)

• Time: 10–15 minutes
• Domains Tested:
• Visuospatial/executive: Alternating trail, cube copying, clock drawing
• Naming: 3 low-frequency animals
• Memory: 5-word learning (immediate), delayed recall (5 minutes later)
• Attention: Sustained (numbers), serial subtraction, digits forward/backward
• Language: Repetition, fluency
• Orientation: Date, month, year, place, city
• Scoring: 26–30 normal; 18–25 MCI; <18 dementia
• Advantages: Detects MCI better than MMSE; more sensitive to early AD
• Limitations: May over-diagnose dementia in highly educated individuals

Mini-Mental State Examination (MMSE)

• Time: 5–10 minutes
• Domains: Orientation, registration, attention/calculation, recall, language, visuospatial
• Scoring: 24–30 normal; 18–23 mild dementia; 0–17 moderate to severe dementia
• Note: Less sensitive for early disease than MoCA; underestimated in highly educated

Montreal Cognitive Assessment – Basic (MoCA-B)

• Simplified version for patients with lower education; shorter administration time

Comprehensive Neuropsychological Testing

For cases where cognitive screening is inconclusive or specialized evaluation is needed, formal neuropsychological testing provides detailed assessment of all cognitive domains.

What is Neuropsychological Testing?

Neuropsychological testing is a standardized, comprehensive evaluation conducted by a psychologist with specialized training. It typically takes 3–6 hours and includes dozens of tests measuring:

Memory

• Immediate memory (span)
• Short-term/working memory
• Long-term verbal and nonverbal memory
• Recognition vs. free recall
• Memory for faces, objects, spatial information

Language

• Comprehension
• Expressive language
• Word-finding (naming)
• Repetition
• Reading and writing
• Verbal fluency

Visuospatial Skills

• Copying geometric figures
• Block design and assembly
• Perception of depth and form
• Construction ability

Executive Function

• Planning and organization
• Problem-solving
• Mental flexibility
• Conceptual thinking
• Impulse control
• Abstraction
• Trail-making and cognitive flexibility tests

Attention & Processing Speed

• Sustained attention
• Divided attention
• Attention span
• Processing speed
• Reaction time

Mood & Personality

• Depression and anxiety screening
• Personality assessment
• Behavioral observations

Benefits of Comprehensive Neuropsych Testing

• Detailed baseline for tracking decline over time
• Identification of specific cognitive strengths and weaknesses
• Differentiation between Alzheimer's and other dementias (vascular, Lewy body, frontotemporal)
• Detection of subtle cognitive decline in early AD or MCI
• Clarification when cognitive screening is inconclusive
• Documentation for disability, driving evaluation, or legal purposes
• Prognostic information

When to Order Neuropsychological Testing

• Cognitive screening inconclusive or borderline
• Suspicion of early AD or MCI
• Cognitive decline but preserved function (need baseline for prognostication)
• Need to differentiate dementia etiology
• Legal or disability documentation required
• Differential diagnosis includes depression, mild cognitive impairment, or other causes

Laboratory Testing

Blood work and other studies help identify reversible causes of cognitive impairment and provide baseline health status.

Screening Laboratory Tests

• Complete Blood Count (CBC): Assess for anemia, infection
• Comprehensive Metabolic Panel (CMP): Electrolytes, glucose, kidney function, liver function
• Thyroid Function Tests (TSH, Free T4): Hypothyroidism can cause cognitive impairment
• Vitamin B12 & Folate Levels: Deficiency causes dementia-like symptoms; reversible if treated
• Syphilis Testing (RPR/VDRL): Neurosyphilis can cause cognitive impairment
• HIV Testing: HIV-associated dementia is preventable/reversible with treatment
• Urinalysis & Urine Culture: Urinary tract infection can cause delirium in elderly

Advanced Laboratory Testing

• Cerebrospinal Fluid (CSF) Analysis: Phosphorylated tau, amyloid-beta 42, total tau
• Decreased amyloid-beta 42 and increased tau support AD diagnosis
• Obtained by lumbar puncture; invasive but increasingly used in specialty settings
• Blood Biomarkers (Emerging, increasingly available):
• Phosphorylated tau (p-tau), amyloid-beta ratio
• Neurofilament light chain (NfL) - marker of neurodegeneration
• These blood tests may eventually replace CSF or imaging for AD confirmation

Neuroimaging

Brain imaging rules out structural causes of cognitive impairment and provides supportive evidence for Alzheimer's disease.

Computed Tomography (CT)

• Use: Rapid imaging to rule out stroke, hemorrhage, tumor
• Findings in AD: May show cerebral atrophy; not specific for AD
• Advantages: Fast, widely available, low cost, no radiation contrast needed
• Limitations: Lower resolution than MRI; limited ability to detect early AD changes

Magnetic Resonance Imaging (MRI)

• Use: Gold standard structural imaging for dementia evaluation
• Findings in AD:
• Hippocampal atrophy (especially in early AD)
• Cerebral atrophy (cortical, particularly medial temporal lobe)
• White matter hyperintensities (may suggest vascular contribution)
• Absence of other structural abnormalities (stroke, tumor, normal pressure hydrocephalus)
• Advantages: High resolution; detects subtle changes; no radiation; differentiates AD from vascular dementia, Lewy body dementia
• Limitations: Expensive, time-consuming, contraindicated with metal implants or pacemakers

Positron Emission Tomography (PET)

• Types:
• Amyloid PET: Detects amyloid plaques in brain
• Tau PET: Detects tau tangles
• FDG PET: Detects hypometabolism (reduced glucose utilization); shows characteristic AD pattern (parietal-temporal)
• Use: Confirms AD pathology; increasingly used for early diagnosis and treatment planning
• Advantages: Direct imaging of pathology; supports disease-modifying treatment decisions
• Limitations: Expensive, not widely available, requires specialized facility, radiation exposure, not routinely covered by insurance

Assessment of Functional Abilities

Cognitive testing must be paired with assessment of how impairment impacts daily functioning.

Activities of Daily Living (ADL)

• Self-care: bathing, dressing, grooming, toileting, eating
• Instrumental ADLs (IADL): managing finances, medications, cooking, cleaning, laundry, shopping, transportation

Driving Evaluation

• Cognitive impairment can impair driving safety
• Clinical assessment of attention, visuospatial skills, executive function
• Formal driving evaluation with occupational therapist if concerns
• Discussion of safe driving duration and retirement planning

Independent Living

• Can the person live alone safely?
• Ability to manage medications and medical care
• Fire/safety awareness
• Judgment with strangers, money, and decision-making

Ruling Out Reversible Causes of Cognitive Impairment

A key goal of evaluation is identifying treatable conditions that mimic Alzheimer's.

Medical Causes

• Hypothyroidism
• Vitamin B12 deficiency
• Folate deficiency
• Hypercalcemia
• Liver or kidney disease
• Chronic infections (HIV, neurosyphilis, tuberculosis)
• Normal pressure hydrocephalus (gait disturbance, incontinence, cognitive decline)
• Subdural hematoma (from fall; can present insidiously)

Psychiatric Causes

• Depression ("pseudodementia"): profound apathy, concentration difficulty, but preserved memory
• Anxiety disorders
• Bipolar disorder with cognitive symptoms

Medication Effects

• Anticholinergics: benztropine, antihistamines, antispasmodics
• Benzodiazepines
• Opioids
• Sedating antidepressants
• Anticonvulsants

Other Neurological Causes

• Stroke or vascular dementia
• Lewy body dementia (visual hallucinations, Parkinsonism)
• Frontotemporal dementia
• Parkinson's disease dementia
• Multiple sclerosis

Differential Diagnosis: Distinguishing Alzheimer's from Other Dementias

Different dementia types have distinct patterns, prognosis, and treatment implications.

Alzheimer's Disease

• Insidious onset; gradual, progressive decline
• Memory loss is early and prominent
• Other domains (language, executive function) affected later
• Behavioral symptoms: apathy, depression, anxiety, aggression (later)
• Hallucinations uncommon until late stages
• Parkinsonism absent (unless Lewy body pathology)

Vascular Dementia

• Sudden or stepwise onset; "staircase" progression
• Often preceded by stroke or TIA
• May have focal neurological signs
• Hypertension, diabetes, cardiovascular disease common
• Brain imaging shows stroke, white matter disease
• Cognitive profile varies by stroke location

Lewy Body Dementia

• Visual hallucinations early and prominent (distinguishing feature)
• Cognitive fluctuations (minute to hour)
• Parkinsonism (rigidity, bradykinesia, tremor)
• REM sleep behavior disorder (acting out dreams)
• Caregiver reports hallucinations, often early in disease
• Neuroleptic sensitivity (worsen with antipsychotics)

Frontotemporal Dementia

• Early behavior/personality change (not memory loss)
• Disinhibition, apathy, or emotional blunting early
• Language symptoms prominent (anomia, repetition difficulty)
• Memory relatively preserved early
• Younger age of onset (40s–60s) common
• Family history common

Coordination with Specialists

Comprehensive Alzheimer's evaluation often requires collaboration with other specialists.

Neurology

• Confirmatory evaluation, detailed neurological examination
• Advanced imaging and biomarker testing
• Consideration of disease-modifying treatments

Geriatric Medicine

• Medical comorbidity management
• Polypharmacy review
• Frailty assessment
• Advance care planning

Neuropsychology

• Detailed cognitive testing and interpretation
• Baseline for tracking decline

Social Work & Care Management

• Community resources and support services
• Financial and legal planning
• Caregiver support groups and respite

What to Expect at Your KwikPsych Evaluation

Initial Appointment (60–90 minutes)

• Detailed history from you and family member
• Cognitive screening (Mini-Cog or MoCA)
• Mood and behavioral assessment
• Review of medications and medical history
• Recommendations for laboratory work and imaging
• Discussion of findings and next steps

Follow-Up Visits

• Review of test results
• Detailed cognitive profile
• Diagnosis and prognosis discussion
• Treatment recommendations
• Medication initiation and monitoring
• Caregiver education and support

Between-Visit Communication

• Results reviewed and explained clearly
• Coordination with other physicians
• Accessible team to answer questions

Early Detection & Prevention

While we cannot yet prevent Alzheimer's disease, we can detect it early and potentially slow progression:

Early Detection

• Cognitive screening for anyone with memory concerns, especially with family history
• Baseline cognitive testing in older adults at risk
• Regular monitoring for decline

Modifiable Risk Reduction

• Regular physical exercise
• Cognitive stimulation and lifelong learning
• Social engagement
• Mediterranean or DASH diet
• Management of cardiovascular risk factors (hypertension, diabetes, cholesterol)
• Quality sleep
• Stress reduction
• Hearing aid use if hearing loss present

Alzheimer's Evaluation at KwikPsych

At KwikPsych in Austin, Texas, Dr. Monika Thangada, MD, and our team provide comprehensive neuropsychiatric evaluation for cognitive impairment and suspected Alzheimer's disease. We take time to listen, explain findings clearly, and involve family members in care planning. We coordinate seamlessly with neurology, geriatric medicine, neuropsychology, and community resources to ensure complete, integrated care. We accept most major insurance carriers (Aetna, BCBS, Cigna, UHC, Superior/Ambetter, BSW, Oscar, First Health, Optum, Medicare) and offer flexible payment options (self-pay $299 initial, $179 follow-up). Telehealth appointments available throughout Texas.

Why Choose KwikPsych:

• Thorough, compassionate evaluation
• Clear communication of results and recommendations
• Coordination with other specialists
• Accessible, responsive team
• Family-centered approach
• Evidence-based care

If you or a loved one has concerns about memory loss or cognitive decline, don't wait. Early evaluation is key to optimal treatment and planning. Contact KwikPsych at 737-367-1230 or visit us at 12335 Hymeadow Dr, Suite 450, Austin, TX 78750. Telehealth available throughout Texas. For mental health crisis, call 988 Lifeline.