title: Dyspnea--heart or lungs?
authors: Mayo Clinic, Division of Thoracic Diseases and Internal Medicine, Rochester, MN 55905.
authors: B A
authors: BA
authors: Staats
mesh_terms: D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology* / Q000503:physiopathology; D005080:Exercise Test; D006331:Heart Diseases / Q000150:complications* / Q000503:physiopathology; D006334:Heart Function Tests; D006801:Humans; D008171:Lung Diseases / Q000150:complications* / Q000503:physiopathology; D012129:Respiratory Function Tests