A 14-year-old boy presented with dyspnea on exertion and easy fatiguability for 1 year. He also had an episode of pedal edema 6 months prior, which resolved with diuretics. He had a history of tuberculosis treated with a 6-month course of...
A 14-year-old boy presented with dyspnea on exertion and easy fatiguability for 1 year. He also had an episode of pedal edema 6 months prior, which resolved with diuretics. He had a history of tuberculosis treated with a 6-month course of...
A 14-year-old boy presented with...