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What is Pressure difference of 5mm Hg between the two upper limbs occurs in which congenital hea disease: and explain in detail?
Answer is D (Supravalvular Aoic stenosis) In supravalvular aoic stenosis the direction of jet of flow tends to be directly directed into the innominate aery. This often results in the direct impact pressure of the central jet being transmitted to right anti, thus making the rit,ht anti pressure hit,ther than the left