49 year-old man with sudden-onset left-sided weakness

Erin Zingarelli

Johns Hopkins Medical Institutions

erin.zingarelli@gmail.com


Publication Date: 20130725

History

This patient has a history of hyperlipidemia and atrial fibrillation. He presented with new, sudden-onset left-sided weakness. MRI showed evidence of a new stroke.

  1. Within which vascular territory is the stroke primarily confined?

    Right ACA

    Incorrect.
    Right MCA

    Correct! The patient's stroke is primarily in the right middle cerebral artery distribution. This explains his sudden-onset left-sided symptoms.
    Left ACA

    Incorrect. Remember your orientation conventions for CT and MRI scans - it is as if you are looking up at the patient's head from the feet. Thus, this patient's stroke is right-sided.
    Left MCA

    Incorrect. Remember your orientation conventions for CT and MRI scans - it is as if you are looking up at the patient's head from the feet. Thus, this patient's stroke is right-sided.
    Right PCA

    Incorrect

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