| Abbreviations | Meaning |
 | IPA | Idiopathic Pulmonary Arteriosclerosis |
 | PMTT | Pulmonary Mean Transit Time |
 | PAVF | Pulmonary Arteriovenous Fistula |
 | UKNCSPAIVS | United Kingdom National Collaborative Study Of Pulmonary Atresia With Intact Ventricular Septum |
 | BPT | Benign Paroxysmal Torticollis; Binding Property Torsion; Bronchial Provocation Test |
 | PBPV | Percutaneous Balloon Pulmonary Valvuloplasty |
 | RP:RS | Pulmonary-to-systemic Vascular Resistance |
 | RPE | Rate Of Perceived Exertion; Recurrent Pulmonary Embolism; Retinal Pigment Epithelium; Ribulose 5-phosphate 3-epimerase |
 | RIPV | Right Inferior Pulmonary Vein |
 | RMB | Right Mainstem Bronchus |
 | AECB | Acute Exacerbation Of Chronic Bronchitis |
 | RPV | Raccoon Parvovirus; Rinderpest Virus; Right Portal Vein; Right Pulmonary Vein |
 | HEL | Hen Egg White Lysozyme; Human Embryonic Lung; Human Erythroleukemia |
 | PVS | Pulmonary Valvular Stenosis |
 | BD | Bronchodilation, Bronchodilator |