A 28yo man with complains of headache and nose bleeds also has pain in the lower limbs on
exertion. Exam: radio-femoral delay, cold legs with weak pulse and mild systolic murmur with
normal S1S2. What is the most probable dx?
a. TOF
b. ASD
c. VSD
d. PDA e. CoA
Ans. The key is coarctation of aorta. [headache and nosebleeds - >hypertension, pain in lower limb on exertion -> as reduced blood supply to leg due to coarctation, radio-femoral delay, cold legs with week pulse, mid-systolic murmur are all features of coarctation of aorta].