Chest
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Editorial Biography Historical Article
Giants in Chest Medicine: Richard S. Irwin, MD, Master FCCP.
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Case Reports
A 52-Year-Old Man With Cough, Dyspnea, and Diffuse Parenchymal Lung Disease for 5 Years.
A 52-year-old man presented with repeated cough and worsening exertional dyspnea for 5 years. Long-term oral prednisone had been administered with little effect. He denied chest pain, hemoptysis, or nighttime paroxysmal dyspnea. ⋯ He denied consuming alcohol or illicit drugs. He was a never smoker. His family history was noncontributory.
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Pulmonary capillary stress failure is potentially involved in exercise-induced hypoxemia (ie, a significant fall in hemoglobin oxygen saturation [Spo2]) during sea level exercise in endurance-trained athletes. It is unknown whether there are specific properties of pulmonary vascular function in athletes exhibiting oxygen desaturation. ⋯ EIH athletes exhibit higher maximal pulmonary vascular pressures, lower vascular distensibility, or exercise-induced changes in PVR compared with NEIH subjects, in keeping with pulmonary capillary stress failure or intrapulmonary shunting hypotheses.