Saturday 2 July 2016

STROKE TERRITORY

STROKE TERRITORY:




Q. A patient with left hemispatial neglect, left hemiparesis/hemisensory disturbance, right head and gaze preference, left homonymous hemianopia, and anosognosia most likely has an occlusion in the?
A) Right anterior cerebral artery
B) Right posterior cerebral artery
C) Right superior cerebellar artery
D) Right middle cerebral artery
E) None of the above




Ans: D

Right middle cerebral artery: left hemispatial neglect, left hemiparesis/hemisensory disturbance, left homonymous hemianopia, right head and gaze preference, anosognosia
Left middle cerebral artery: aphasia, right hemiparesis/hemisensory loss, right homonymous hemianopia, left head and gaze preference
Right posterior cerebral artery: left visual field defect, visual neglect, left hemisensory
loss
Left posterior cerebral artery: right visual field defect, alexia without agraphia, poor color naming, right hemisensory loss
Vertebrobasilar distribution: dizziness, nausea, vertigo, quadriparesis, crossed motor or sensory findings (e.g., ipsilateral face, contralateral body), truncal or limb ataxia, visual loss, impaired consciousness








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