| Abbreviations | Meaning |
 | QPC | Pulmonary Capillary Blood Flow |
 | RPA | Right Pulmonary Artery |
 | CLD | Chronic Lung Disease |
 | PAVM | Pulmonary Arteriovenous Malformation |
 | DOPS | Diffuse Obstructive Pulmonary Syndrome; Dihydroxyphenylserine; Dioleoyl-phosphatidyl Serine |
 | PAHVC | Pulmonary Alveolar Hypoxic Vasoconstrictor |
 | PBF | Pulmonary Blood Flow |
 | PBT | Paul-Bunnell Test; Phenacetin Breath Test; Piebald Trait; Profile-based Therapy; Pulmonary Barotrauma |
 | PAOP | Pulmonary Artery Occlusion Pressure |
 | USPET | Urokinase Streptokinase Pulmonary Embolism Trial |
 | CL | Constant Region Of Light Chain Of Immunoglobulin Molecule; Lung Compliance |
 | DLCOSB | Single-breath Carbon Monoxide Diffusing Capacity Of The Lungs |
 | IPA | Intrapulmonary Arteries |
 | PFT | Pulmonary Function Tests |
 | TB | Tracheobronchitis |