Allergic bronchopulmonary aspergillosis Aspiration Syndromes Bronchiectasis Bronchiolitis Bronchiolitis obliterans Chronic bronchitis Chronic Obstructive Pulmonary Disease (COPD) Eosinophilic Granulomatosis with Polyangiitis (Churg-Strauss Syndrome) Croup Cystic Fibrosis Emphysema Foreign Bodies of the Airway Gastroesophageal Reflux Disease Heart Failure Idiopathic Pulmonary Arterial Hypertension Inhalation injury Pulmonary Artery Sling Vocal Cord Dysfunction