Ch10 Cerebral Hemispheres Flashcards
MCA superior division includes
Arms, shoulder, face on the opposite side
MCA superior division feeds
Broca’s area (Left SMCA);
Broca’s area deals with
language expression (talking, writing)
MCA inferior division feeds
body sensation and hearing; LEFT SMCA “Wernicke’s area”
Wernicke’s area is resposible for
understanding language
which MCA is more susceptible to high BP and bleeding hemorrhagic strokes
MCA deep territory
MCA deep territory includes
lenticulostriae arteries- basal ganglia and internal capsule;
MCA stem includes
all of the above problems
(superior, inferior, and deep)
ACA effect
leg function (sensory and motor)
confusion and mental changes, etc. (higher<br></br>order thinking)
decision making skills
PCA affect
occipital lobe (vision)
inferior temporal lobes (short term memory; can’t make long term memories after that)
Warning Signs of Ischemia
F- Face – has face fallen on one side, can they smile?
A- Arms – can they raise both arms and keep them there?
S- Speech – is their speech slurred?
T- Time – time to call 911, see any single one of these signs; timing – instantaneous is more likely a stroke
Transient Ischemic Attack is
Neurological deficit <24 hours duration
Transient Ischemic Attack typically lasts about
10 minutes
small clot which dissolves after 10 minutes is called
embolus
what is found in vessel wall and causes vasospasm
thrombus