Alzheimers - Clinical Flashcards
What is dementia?
Impairment in memory,language, visual processing, mood/personality, frontal executive function causing an inability to function independently
Where is dementia most prevalent
Low/middle income countries
What are the strongest risks associated with AD?
Age and Iliteracy
Most common causes of Degenerative dementias?
Alzheimers disease (55-70%)
Vascular dementia (15-25%)
Other dementias (lewy body, parkinsons, frontotemporal lobar) (10-30%)
Does AD Double, Triple or Quadruple after age 65 years?
Double
How is AD diagnosed?
Diagnoses of exclusion (no evidence of CVD, HIV, PD, HD, NPH)
How is Early onset alzheimers disease described?
Below the age of 65 years wiuh relatively rapid onset and progression. Agraphia, alexia, acalculia or apraxia (presence of temporal, parietal and frontal lobe involvement)
What features describe the terminal stages of AD?
Limited Vocab
Absence of Smiling
Inability to walk/sit up independently
Difficulty eating or swallowing
Bowel/Urinary incontinence
Recurrent respiratory/urinary infections
What is the MMSE?
First stop cognitive function test standing for Mini-Mental State Examination. Measures general cognitive status including short term memory
What is an ideal imaging technique to view AD related atrophy in the brain?
T1 weighted MRI imaging to show a greater contrast between grey matter and white matter
What hallmarks in AD could be used for diagnoses whilst the patient is alive?
Look for grey matter changes (atrophy) and vesicle enlargement(due to infiltration of CSF)