Dementia
18
Table 3. Alzheimer's Disease, Vascular Dementia, and
Frontotemporal Dementia
Alzheimer's
disease
Vascular
dementia
Frontotemporal
dementia
Course of disease Gradual Step-wise Gradual
Initial presentation Memory
impairment
Memory
impairment,
neurologic signs of
stroke
Alteration in
personality, social
and emotional
behavior
STEP 3: Appreciate differences among the most common
types of dementia
Table 4. Dementia with Lewy Bodies vs. Parkinson's disease with
Dementia
Lewy Body Dementia
Parkinson's Disease
Dementia
Course of disease Fluctuating Gradual
Initial presentation Dementia with extrapyramidal
symptoms
Extrapyramidal symptoms
without dementia
Cognitive
symptom onset
Dementia within 1 year of
motor symptoms
Dementia more than 2-3 years
aer motor symptoms but
highly variable
Psychosis Visual hallucinations
prominent early in disease
course
Visual hallucinations more
likely in late disease and related
to medications
Motor symptoms Bradykinesia, rigidity, gait
disturbances, intention tremor
Resting tremor, rigidity,
bradykinesia, postural
imbalance
Antipsychotic
hypersensitivity
Yes Yes
