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STROKE-MCA (SUPERIOR DIVISION) TERRITORY

Neurology

STROKE-MCA (SUPERIOR DIVISION) TERRITORY

1. The superior division of MCA supplies Rolandic and pre-Rolandic areas.
2. Most common cause of occlusion is an embolus.
3. Sensory and motor deficits on contralateral face and arm > leg.
4. Head and eyes deviated toward side of infarct.
5. Muscle tone usually decreased initially and gradually increases over days or weeks to spasticity.
6. Transient LOC is uncommon.

SPECIFIC SIDE
7. Left side lesion (dominant hemisphere): global aphasia followed by Broca’s aphasia.
8. Right side lesion (non-dominant hemisphere): deficits in spatial perception, hemineglect, constructional apraxia, dressing apraxia.


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REFERENCES

1. Wilkinson, I. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press.
2. Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
3. Image: no reference available.

Ⓒ A. Manickam 2018

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