<prompt> A ten year old boy presents to the pediatric emergency unit with seizures. Blood pressure in the upper extremity measured as 200140 mm Hg. Femaral pulses were not palpable. The most likely diagnosis amongst the flollowing isTakayasu aooaeritisRenal parenchymal diseaseGrandmal seiuresCoarcctation of aoa  <response>: In coarctation of aoa there will be radiofemoral delay. Ref : Ghai essential of pediatrics, eighth edition,p.no:432 