| Abbreviations | Meaning |
 | HLL | Hypoplastic Left Lung |
| HLM | Heart-lung Machine |
| HLR | Heart-lung Resuscitation; Heart-to-lung Ratio; High-level Resistance |
| HLT | Heart-lung Transplantation; High-L-leucine Transport; Human Lipotropin; Human Lymphocyte Transformation |
| HLTX | Heart-lung Transplant |
| HPA | Hypertrophic Pulmonary Arthropathy |
| HPO | High-pressure Oxygen; Hydroperoxide; Hydrophilic Ointment; Hypertrophic Pulmonary Osteoarthropathy |
| HPOA | Hypertrophic Pulmonary Osteoarthropathy |
| HPS | Hantavirus Pulmonary Syndrome |
| HPV | Hemophilus Pertussis Vaccine; Hepatic Portal Vein; Human Papillomavirus; Human Parvovirus; Hypoxic Pulmonary Vasoconstriction |
| HPVD | Hypertensive Pulmonary Vascular Disease |
| IAC CPR | Interposed Abdominal Compression Cardiopulmonary Resuscitation |
| IASLC | International Association For The Study Of Lung Cancer |
| IB | Infectious Bronchitis |
| IBAT | Intravascular Bronchoalveolar Tumor |
| IBV | Infectious Bronchitis Vaccine; Infectious Bronchitis Virus; Ivorian Bacilliform Virus |
| ICOPER | International Cooperative Pulmonary Embolism Registry |
| IDPH | Idiopathic Pulmonary Hemosiderosis |
| IL | Immature Lung |
| ILB | Infant, Low Birth [weight]; Initial Lung Burden |
| ILD | Interstitial Lung Disease |
| ILV | Independent Lung Ventilation; Instantaneous Lung Volume [recording] |
| IPA | IInvasive Pulmonary Aspergillosis |
| IPA | Intralobar Pulmonary Arteries |
| IPA | Intrapulmonary Arteries |
| IPA | Idiopathic Pulmonary Arteriosclerosis |
| IPE | Infectious Porcine Encephalomyelitis; Interstitial Pulmonary Emphysema |
| IPF | Idiopathic Pulmonary Fibrosis; Infection-potentiating Factor; Insulin Promoter Factor; Interstitial Pulmonary Fibrosis |
| IPH | Idiopathic Pulmonary Hemosiderosis |
| IPH | Idiopathic Pulmonary Hypertension |
| IPPHS | International Primary Pulmonary Hypertension Study |
| IPRL | Isolated Perfused Rat Liver Or Lung |
| IPS | Infundibular Pulmonary Stenosis |
| IPV | Intrapulmonary Vein |
| ISHLT | The International Society For Heart And Lung Transplantation |
| ITE | Intrapulmonary Interstitial Emphysema |
| ITPV | Intratracheal Pulmonary Ventilation; Itaporanga Virus |
| IVBAT | Intravascular Bronchioalveolar Tumor |
| J | Juxtapulmonary-capillary Receptor |
| L&H | Lungs And Heart |
| L/H | Lung-to-heart [ratio] |
| LAC | Lung Adenocarcinoma Cells |
| LB | Left Bronchus |
| LB | Lung Biopsy |
| LBM | Last Bowel Movement; Lean Body Mass; Loose Bowel Movement; Lung Basement Membrane |
| LBV | Lagos Bat Virus; Left Brachial Vein; Lung Blood Volume |
| LBWR | Lung-body Weight Ratio |
| LC | Lung Cancer |
| LC | Lung Cell |
| LCEA | Lung Carcinoma Expressed Antigens |
Browse by Letter:
