<prompt> A 1-month-old boy is referred for failure to thrive. On examination, he shows features of congestive failure. The femoral pulses are feeble as compared to brachial pulses. The most likely clinical diagnosis is:Congenital aortic stenosisCoarctation of aortaPatent ductus arteriosusCongenital aortoiliac disease  <response>: b. Coarctation of aortaRef: Nelsons 20e p 2205, Ghai 8e p 413-433Feeble femoral pulsations compared to strong brachial pulsations suggests of coarctation of aorta. 