Notes And Ppt. Flashcards
Characterized by decreased dopaminergic transmission and relative increase in Ach activity
Parkinson’s
An anti-muscarinic which functions as an anti-cholinergic
-can cause delirium
Atropine
How can we characterize Broca’s aphasia?
Labored halting speech with good comprehension but inability to repeat
Cause large changes in mood and personality
Frontal lobe lesions
Responsible for behavioral inhibition and empathy
-Lesion results in frontotemporal dementia
Ventromedial/orbitofrontal prefrontal cortex
The posterior limb of the internal capsule can be lesioned by infarcts from which 3 blood vessels?
Anterior choroid also, lenticulostriate, and PCA
What are the characteristics of an ACA stroke?
Contralateral hemiparesis (leg > arm) and trans cortical motor aphasia
What are the characteristics of a recurrent artery of Heubner stroke?
Contralateral hemichorea & contralateral weakness in face and arm
What are is the result of a lenticulostriate stroke?
Contralateral pure motor paresis, can have some sensory
What are the distinguishing features of a stroke to the superior division of MCA besides the contralateral hemiparesis?
Horizontal gaze to opposite side,
LEFT: Transcortical motor aphasia
RIGHT: Motor neglect
What are the distinguishing characteristics of an inferior division of the MCA stroke besides contralateral sensory deficits?
Losses in visual field
LEFT: Transcortical sensory aphasia
RIGHT: Transcortical Motor Aphasia
What are the symptoms of a stroke in the anterior choroidal artery?
Contralateral homonymous hamianopsia and contralateral hemiparesis
What are the symptoms of a PCA stroke?
Homonomous hemianopsia w/ macular sparing (20/20 vision)
LEFT side: Transcortical sensory aphasia
What are two treatments for AD?
Acetylcholinesterase inhibitors and NMDA antagonists
What do we see in the CSF of HSC encephalitis?
Lymphocytes, RBCs, Increased protein
-temporal lobe abnormalities