The “subclan steal syndrome” occurs due to
Correct Answer: Occlusion of the subclan aery proximal to origin of veebral aery
Description: *Subclan steal:when the arm is used,blood is stolen from the brain the veebral aery .this lead to veebro-basilar ischemia ,which is characterised by dizziness ,coical blindness and/or collapse. Ref Harrison20th edition pg 2456
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