This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'A ten year old boy presents to the pediatric emergency unit with seizures. Blood pressure in the upper extremity measured as 200/140 mm Hg. Femoral pulses were not palpable. The most likely diagnosis amongst the following is - \nSelect and explain. \nA. Takayasu aooaeritis, B. Renal parenchymal disease, C. Grandmal seiures, D. Coarctation of aoa', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Coarctation of aoa Isolated upper extremity hypeension (200/140 mm Hg), together with absent/diminished femoral pulses is a characteristic feature of coarction of aoa.", 'role': 'assistant'}]