title: Unexplained shortness of breath.  Advanced testing may be needed to identify the cause.
mesh_terms: D002318:Cardiovascular Diseases / Q000150:complications; D004417:Dyspnea / Q000209:etiology* / Q000517:prevention & control*; D006304:Health Status; D006801:Humans; D006967:Hypersensitivity / Q000150:complications; D008487:Medical History Taking; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications; D011655:Pulmonary Embolism / Q000150:complications