title: Heart or lung disease: determining the primary cause for dyspnea on exertion.
authors.affiliation: Office of the Department Editor of Clinical Problems in Cardiopulmonary Disease, Indianapolis, IN, USA.
authors.forename: S R
authors.initials: SR
authors.lastname: Mohnssen
authors.forename: I M
authors.initials: IM
authors.lastname: Weisman
authors.forename: R J
authors.initials: RJ
authors.lastname: Zeballos
authors.forename: A
authors.initials: A
authors.lastname: Hall
authors.forename: K
authors.initials: K
authors.lastname: Wasserman
authors.forename: M E
authors.initials: ME
authors.lastname: Tavel
mesh_terms: D000368:Aged; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology*; D005080:Exercise Test; D017079:Exercise Tolerance; D005260:Female; D006349:Heart Valve Diseases / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D010101:Oxygen Consumption; D011659:Pulmonary Gas Exchange