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Figure 1. A 44-year-old man had had marked swelling of the terminal digits since early childhood. No other family members had this finding. The patient did not have cyanosis, was not limited in terms of physical activity, and had no history of cardiac disease, lung disease, or inflammatory bowel disease. On examination, cardiac and pulmonary findings were normal, as were the results of lung-function tests and laboratory tests, including measurements of liver-enzyme and bilirubin levels. Electrocardiography and radiography of the chest revealed no abnormalities. On bicycle ergometry, the patient reached a workload of 175 W. Right heart catheterization, including . . . [Full Text of this Article] |
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