Approach to connective tissue disorders Quiz: Ace Your Exams
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A 16-year-old boy is transported by emergency medical services to the emergency department for sudden onset of severe chest pain radiating to the lower back. The patient has not experienced recent illnesses, cough, dyspnea, orthopnea, fever, night sweats, or chest trauma. There is no significant past medical or surgical history, and the patient takes no medication. Temperature is 37°C (98.6°F), pulse is 105/min, respirations are 15/min, blood pressure is 135/86 mmHg, and oxygen saturation is 97% on room air. Physical examination reveals tall stature and arachnodactyly. No lymphadenopathy or edema is noted. Cardiac examination reveals a mid-systolic click. Pulmonary and abdominal exams are unremarkable. Chest X-ray shows a widened mediastinum. Which of the following is the most likely diagnosis?
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