| Abbreviations | Meaning |
 | PMTT | Pulmonary Mean Transit Time |
 | BALT | Bronchus-associated Lymphoid Tissue |
 | OPH | Obliterative Pulmonary Hypertension; Ophthalmia; Organic Phosphate |
 | PSHV | Pulmonary Syndrome Hantavirus |
 | PIE | Postinfectious Encephalomyelitis; Preimplantation Embryo; Prosthetic Infectious Endocarditis; Pulmonary Infiltration With Eosinophilia; Pulmonary Interstitial Emphysema |
 | H&L | Heart And Lung [machine] |
 | CLD | Chronic Lung Disease |
 | OPH | Obliterative Pulmonary Hypertension; Ophthalmia |
 | PCW | Pericanalicular Web; Personal Care Worker; Primary Capillary Wedge; Pulmonary Capillary Wedge; Purified Cell Walls |
 | VEI | Volume [lung] At The End Of Inspiration |
 | PVO | Pulmonary Venous Obstruction |
 | ISHLT | The International Society For Heart And Lung Transplantation |
 | CLL | Cow Lung Lavage |
 | SPE | Septic Pulmonary Edema |
 | BD | Bronchodilation, Bronchodilator |