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Pulmonary and cardiocirculatory function were studied in 21 ambulatory patients with rheumatic heart disease. A pattern of pulmonary function was observed which deviated from normal to a degree insufficient to account for the exertional dyspnea of these patients. The pathogenesis of this symptom is, therefore, discussed in relation to the observed cardiocirculatory abnormalities which were often pronounced.

Pulmonary Function in Rheumatic Heart Disease and Its Relation to Exertional Dyspnea in Ambulatory Patients