Dementia and Dystonia Flashcards
Cortical dementia manifests as
Involvement of cognitive function while basic neurologic function remains intact. Language is aphasic though speech is intact, mental status is abnormal, Motor system is intact
Subcortical dementia
Motor system affected, speech is abnormal,
Posterior Cortical dementia prototype
alzheimers
Characteristic histological changes of alzheimers
Neurofibrillary tangles and amyloid plaques
Classic triad of gait instability, dementia, urinary or bowel incontinence
Normal pressure hydrocephalus…disturbances to CSF reabsorption
Alzheimers tx regimen
Donepezil, Rivastigmine, Galantamine
Donepezil and Rivastigmine are
cholinesterase inhibitors…inc acetylcholine
Dystonia definition
Sustained muscle contractions that cause twisting repetitive movements and abnormal posture
Myoclonus
Sudden jerking movement
Opisthotonos
Great rigid spasm of the body with the back fully arched and the heels and head bent back.
Most common genetic cause of generalized dystonia
GAG deletion in exon 5 of DYT1
PET scans look at?
Glucose metabolism
Dystonia most likely results from
Abnormal pattern of activity in the Basal Ganglia such as internal segment of globus pallidus and substantianigra pars reticularis
The drug most likely to help relieve dystonic symptoms in a patient with DYT-1 Dystonia (Early Onset Generalized Dystonia)
Trihexyphenidyl