| Abbreviations | Meaning |
 | TPA | Thrombotic Pulmonary Artery |
 | PVG | Periventricular Gray Matter; Pulmonary Valve Gradient |
 | PBF | Pulmonary Blood Flow |
 | PPW | Pulmonary Wedge Pressure |
 | BFDI | Bronchodilation Following Deep Inspiration |
 | HAPVR | Hemi-anomalous Pulmonary Venous Return |
 | PEM | Pulmonary Endothelial Membrane |
 | LHS | Lung Heart Study |
 | MPA | Mean Pulmonary Arterial [pressure] |
 | BPA | Bronchopulmonary Aspergillosis |
 | LPV | Lapine Parvovirus; Left Portal View; Left Pulmonary Veins; Lopinavir |
 | BFB | Biological Feedback; Bronchial Foreign Body |
 | LLA | Left Lung Apex; Limulus Lysate Assay; Lipid-lowering Agent |
 | RMB | Right Mainstem Bronchus |
 | PHN | Pulmonary Hypertension |