1 MCQs in Pathology for NEET PG
A 24-year-old male presents with upper-limb hypertension (178/98 mmHg) and weak, delayed femoral pulses. Chest X-ray shows a figure-of-3 sign and bilateral inferior rib notching. CT aortography confirms a shelf-like narrowing in the aortic isthmus. The structure marked **A** in the diagram represents the discrete coarctation distal to the left subclavian artery. Which of the following best explains the mechanism by which this lesion produces the clinical findings of radio-femoral delay and lower-limb hypotension in this patient?
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