Heart Failure USMLE Step 1 Practice Question
A 15 year old girl is evaluated for headaches and leg fatigue with exercise. Blood pressure in the arms is 162/88 mm Hg and in the legs is 108/66 mm Hg. Femoral pulses are weak and delayed compared with radial pulses. Which of the following is the most likely diagnosis?
Answer choices
- AAtrial septal defect
- BPatent ductus arteriosus
- CCoarctation of the aortaCorrect answer
- DVentricular septal defect
- ETetralogy of Fallot
- FInterrupted aortic arch
See the full explanation
Get the correct-answer rationale, why each distractor is wrong, the underlying mechanism, and high-yield associations — plus adaptive practice that targets your weak areas — with a free MedBoardPRO account.