title: Cystic Fibrosis Frequently Asked Questions.  Question 3: How do you define a pulmonary exacerbation in Cystic Fibrosis?
authors.forename: Sandy Z P
authors.initials: SZ
authors.lastname: Lim
authors.forename: Dominic A
authors.initials: DA
authors.lastname: Fitzgerald
mesh_terms: D000855:Anorexia / Q000209:etiology; D003371:Cough / Q000209:etiology; D003550:Cystic Fibrosis / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology; D018450:Disease Progression; D004417:Dyspnea / Q000209:etiology; D005541:Forced Expiratory Volume; D006469:Hemoptysis / Q000209:etiology; D006801:Humans; D008168:Lung / Q000000981:diagnostic imaging / Q000503:physiopathology; D011014:Pneumonia / Q000000981:diagnostic imaging / Q000209:etiology / Q000503:physiopathology; D013902:Radiography, Thoracic; D013183:Sputum; D015431:Weight Loss