<prompt> Pressure difference of 5 mmHg between the two upper limbs occurs in which congenital hea disease?TOFTGAHOCKSupra-valvular aoic stenosis  <response>: Answer- D. Supra-valvular aoic stenosisBlood pressure difference of 5 mm of Hg between two upper limbs can occur in congenital hea disease- Supra-valvular aoic stenosis 