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endobronchial neuroendocrine tumor, Kulchitsky tumor, bronchial carcinoid, bronchial gland tumor, mucous gland carcinoma, mucous gland adenomas, mucoepidermoid carcinoma, adenoid cystic carcinoma, cylindromas, small cell undifferentiated carcinoma, malignant lung neoplasms, alpha1-antitrypsin deficiency, alpha-1-antitrypsin, alpha-1 antitrypsin, alpha-1 antiprotease deficiency, alpha1 antiprotease deficiency, alpha-1 antitrypsin deficiency, AAT, early-onset panacinar emphysema, hepatic cirrhosis altitude-related disorders, acute mountain sickness, AMS, high-altitude pulmonary edema, HAPE, high-altitude cerebral edema, HACE, altitude sickness, hypoxia, mountain climbing, acclimatization, impaired sleep, periodic breathing during sleep, nighttime awakenings and arousals, sleep fragmentation, dyspnea, fatigue, coronary artery disease, chronic obstructive pulmonary disease, COPD, pulmonary hypertension, asthma, sickle cell disease obstructive sleep apnea, OSA, sleep apnea, apnea, sleep disorder, snoring, sleep-related disorder, sleep disordered breathing, SDB, central apnea, obstructive apnea, mixed apnea, hypopnea, upper airway resistance syndrome, UARS, nasal continuous positive airway pressure, nasal CPAP, CPAP, apnea index, AI respiratory disturbance index, RDI, apnea-hypopnea index, AH, PSG, polysomnography, pickwickian syndrome, excessive daytime sleepiness, EDS, uvulopalatopharyngoplasty, UPPP, respiratory event–related arousal, RERA, oral appliance, OA, bilevel positive airway pressure, BiPAP, snoring- and sleep-related breathing disorder, SRBD pneumoconiosis, pulmonary fibrosis, lung disease, bronchogenic carcinoma, malignant mesothelioma, coal worker's pneumoconiosis, dermatomyositis, hypersensitivity pneumonitis, idiopathic pulmonary fibrosis, sarcoidosis, silicosis, collagen vascular diseases, interstitial pulmonary diseases, asbestos inhalation, chrysotile fibers, amphibole fibers, calcified pleural plaques, noncalcified pleural plaques, pleural thickening, benign exudative pleural effusion, rounded atelectasis, malignant mesothelioma of the pleura aspergillosis, fungus, fungal infection, inhalational fungal disease, mold infection, invasive pulmonary aspergillosis, allergic bronchopulmonary aspergillosis, ABPA, chronic necrotizing pulmonary aspergillosis, CNPA, chronic necrotizing Aspergillus pneumonia, aspergilloma, mycetoma, fungus ball, disseminated aspergillosis, fungal endocarditis, Aspergillus fumigatus, A fumigatus, Aspergillus niger, A niger, Aspergillus flavus, A flavus, Aspergillus clavatus, A clavatus, bronchocentric granulomatosis, malt worker's lung asthma, hyperreactive airway disease, exercise-induced asthma, EIA, exercise-induced bronchospasm, airway inflammation, intermittent airflow obstruction, airway hyperresponsiveness, bronchial hyperresponsiveness, increase in bronchial responsiveness, breathing disorder, lung dysfunction, acute bronchospasm, atopy, allergic rhinitis, cystic fibrosis, acute bronchoconstriction, airway edema, chronic mucous plug formation, chronic inflammatory disorder of the airways, bronchial hyperreactivity, aeroallergens, urbanization, air pollution, passive smoking, environmental allergens, wheezing, shortness of breath, tightness in chest, viral respiratory infections, gastroesophageal reflux disease, beta-adrenergic receptor blocker, mononuclear cell and eosinophil infiltration, mucus hypersecretion, desquamation of the epithelium, smooth muscle hyperplasia, airway remodeling, dust mites, animal allergens, cockroach allergens, fungi, hyperventilation, chronic sinusitis atelectasis, incomplete expansion, diminished lung volume, pulmonary volume deficiency, lung deficiency, lung foreign body, lung tumor, mucus plugging, pleural effusion, pneumothorax, acute respiratory distress syndrome, ARDS, granulomatous disease, necrotizing pneumonia, bronchioalveolar cell carcinoma, right middle lobe syndrome, atelectatic lung tissue, bronchial obstruction, pulmonary atelectasis, obstructive atelectasis, lobar atelectasis, segmental atelectasis, nonobstructive atelectasis, relaxation atelectasis, passive atelectasis, compression atelectasis, space-occupying lesion of thorax, adhesive atelectasis, surfactant deficiency, decreased production of surfactant, inactivation of surfactant, cicatrization atelectasis, replacement atelectasis, chronic atelectasis, acute pneumonitis, chronic pneumonitis, rounded atelectasis, radiation pneumonitis, discoid atelectasis, subsegmental atelectasis, platelike atelectasis, pulmonary embolism, lower respiratory tract infection, postoperative atelectasis, plugs of tenacious sputum, endobronchial tumors, adenocarcinoma of breast, bronchogenic carcinoma, adenocarcinoma of thyroid, hypernephroma, melanoma, chronic tuberculosis, fungal infection, aspirated foreign body, malpositioned endotracheal tube, lymphadenopathy, aortic aneurysm, cardiac enlargement, emphysematous bulla, chest wall mass, pleural mass, intraparenchymal mass, loculated collections of pleural fluid, hyaline membrane disease, smoke inhalation, cardiac bypass surgery, uremia, prolonged shallow breathing, idiopathic pulmonary fibrosis, radiation fibrosis, asbestos pleural plaques acute respiratory distress syndrome, ARDS, pneumothorax, acute lung injury, ALI, chronic obstructive pulmonary disease, COPD, volutrauma, ventilator-associated lung injury, ventilator-induced lung injury, VILI, mechanical ventilation, atelectotrauma, biotrauma, pulmonary interstitial emphysema, PIE, perivascular interstitial emphysema berylliosis, beryllium, Be, chronic beryllium disease, CBD, acute beryllium disease, acute chemical pneumonitis blastomycosis, Gilchrist disease, Gilchrist's disease, fungal infection, fungus infection, Blastomyces dermatitidis, B dermatitidis, pulmonary infection, adult respiratory syndrome, ARDS, antifungal treatment bronchial dilatation, dry bronchiectasis, bronchial dilation, dilated bronchus, dilated bronchi, dilatated bronchus, dilatated bronchi, infected bronchi, bronchial infection, chronic obstructive pulmonary lung disease, COPD, bronchial tree infection, cylindrical bronchiectasis, cystic bronchiectasis, varicose bronchiectasis, bronchitis, chronic bronchitis, pulmonary infection, bronchial obstruction, cystic fibrosis, CF, Young syndrome, primary ciliary dyskinesia, allergic bronchopulmonary aspergillosis, bronchopulmonary aspergillosis, alpha-1 antitrypsin deficiency, alpha1-antitrypsin deficiency, rheumatic disease, traction bronchiectasis, congenital bronchiectasis, hemoptysis, bronchial obstruction, chronic aspiration, Pseudomonas aeruginosa, P aeruginosa, non-CF bronchiectasis, atypical mycobacterial infection, Klebsiella, Staphylococcus aureus, Mycobacterium tuberculosis, Mycoplasma pneumoniae, nontuberculous mycobacteria, measles, pertussis, influenza, herpes simplex, respiratory syncytial virus, Mycobacterium avium, S aureus, M tuberculosis, M pneumoniae, M avium acute bronchitis, chronic bronchitis, excessive tracheobronchial mucus production, simple chronic bronchitis, chronic mucopurulent bronchitis, chronic bronchitis with obstruction, upper respiratory tract infection (URTI), flu, chronic obstructive pulmonary disease (COPD), bronchopneumonia, bronchiectasis, inflammation of bronchial tubes, Mycoplasma pneumoniae, M pneumoniae, Chlamydia pneumoniae, C pneumoniae, Streptococcus pneumoniae, S pneumoniae, Moraxella catarrhalis, M catarrhalis, Haemophilus influenzae, H influenzae, mycoplasmal pneumonia, pharyngeal erythema, localized lymphadenopathy, right ventricular hypertrophy, cystic fibrosis, influenza, parainfluenza, adenovirus, rhinovirus, respiratory syncytial virus, cigarette smoking, air pollution CWL, hypersensitivity pneumonitis, silicosis, asbestosis, occupational lung disease, pneumoconiosis, isocyanates, trimellitic anhydride, chemical toxins, chemical warfare agents, tabun, GA, sarin, GB, soman, GD, cyclosarin, GF, VX nerve gas, sulfur mustard, chlorine, phosgene, diphosgene, total cumulative dose, chemical exposure at work, lung disease, popcorn worker's lung, lung cell injury, polyurethane foam, molding, insulation, synthetic rubber, packaging materials, bronchiolitis obliterans, nitrogen oxides, sulfur dioxide, chlorine, ammonia, phosgene, cardiopulmonary disease, immunopathogenesis, toluene diisocyanate, TDI Chlamydia pneumoniae pneumonia, Taiwan acute respiratory pneumonia, TWAR pneumonia, ornithosis, psittacosis, parrot fever, Chlamydia trachomatis pneumonia, Chlamydia psittaci, Chlamydia pneumoniae, C psittaci, Chlamydia trachomatis, C pneumoniae, C trachomatis chronic bronchitis, emphysema, chronic obstructive airway disease, COAD, chronic lung, chronic obstructive pulmonary disease, COPD, airflow obstruction, alpha1-antitrypsin, AAT chronic obstructive pulmonary disease, COPD, chronic bronchitis, emphysema, chronic obstructive airway disease, COAD, airflow obstruction, centriacinar emphysema, panacinar emphysema, distal acinar emphysema, paraseptal emphysema CWP, black lung, coal miner's lung, miner's asthma, miner's phthisis, pneumokoniosis, pneumoconioses, diffuse interstitial fibrosis, DIF, anthracosilicosis, anthracotic tuberculosis, anthracosis, simple coal worker's pneumoconiosis, SCWP, complicated coal worker's pneumoconiosis, CCWP, pulmonary massive fibrosis, PMF, coal macules, emphysema, Caplan syndrome, Caplan's syndrome, Caplan nodules, Caplan lesions, intrapulmonary nodules, coal dust in the lungs, focal ischemic necrosis, rheumatoid arthritis, rheumatoid lesions, interstitial fibrosis, cor pulmonale, smoking, silica exposure, focal emphysema, coal dust exposure coccidioidomycosis, San Joaquin Valley fever, valley fever, Coccidioides immitis, C immitis cyanosis, blue skin, oxygen deficit, blood gas analysis, blood gases, hypoxemia, methemoglobin, sulfhemoglobin, peripheral cyanosis, pseudocyanosis, pseudo-cyanosis, low oxygen saturation with normal hemoglobin, oxidized hemoglobin, dapsone, peripheral vasoconstriction, differential cyanosis diaphragm dysfunction, phrenic nerve injury, diaphragm, respiratory dysfunction, Bochdalek hernias, congenital diaphragmatic hernia, Guillain-Barré syndrome, lead neuropathy, postinfectious neuropathies, chiropractic cervical spine manipulation, uremia, diaphragmatic rupture, Morgagni hernia, eventration of the diaphragm, diaphragmatic agenesis, syringomyelia, poliomyelitis, motor neuron disease, brachial plexus neuritis, diabetic neuropathy, nutritional neuropathy, alcoholic neuropathy, vasculitic neuropathy, infection-related nerve injury, myasthenia gravis, myotonic dystrophies, Duchenne muscular dystrophy, metabolic myopathies, polymyositis, acquired diaphragmatic disorders, innervation defects, cerebral stroke, spinal cord disorders, phrenic nerve neuropathy respiratory pump, central respiratory centers, spinal cord, peripheral nerves, neuromuscular junctions, respiratory muscles, diaphragm, bilateral diaphragmatic paralysis, unilateral diaphragmatic paralysis, ventilatory support, diaphragm paresis, paralyzed diaphragm, diaphragmatic disorder, diaphragmatic dysfunction, diaphragm dysfunction, diaphragm tumor, diaphragm mass, breathing disorder, diaphragm, diaphragm pacing, diaphragmatic pacing, diaphragm plication, diaphragmatic placation emphysema, chronic obstructive pulmonary disease, COPD, chronic obstructive lung disease, chronic lung, chronic bronchitis, airflow obstruction, centriacinar emphysema, centrilobular emphysema, panacinar emphysema, paraseptal emphysema, distal acinar emphysema, alpha1-antitrypsin deficiency, AAT pleuropulmonary empyema, complicated parapneumonic pleural effusion, Staphylococcus aureus, S aureus, Streptococcus pneumoniae, S pneumoniae, Klebsiella, Pseudomonas, Haemophilus, Bacteroides, Peptostreptococcus, uncomplicated parapneumonic effusion, thoracic empyema, thoracoplasty, decortication, pneumonia, parapneumonic effusion, esophageal perforation, trauma, surgical procedure on pleural space, septicemia eosinophilic granulomatosis, EG, pulmonary histiocytosis X, PHX, pulmonary Langerhans cell histiocytosis, PLCH, pulmonary histiocytosis, histiocytosis, cigarette smoking, end-stage fibrotic lung disease, fibrotic lung disease EP, primary eosinophilic pneumonia, primary EP, secondary eosinophilic pneumonia, secondary EP, eosinophilic lung disease, pulmonary eosinophilia, pulmonary infiltrates-with-eosinophilia syndrome, PIE, acute eosinophilic pneumonia, AEP, chronic eosinophilic pneumonia, CEP, drug-induced lung disease, parasite-induced lung disease, eosinophils, Ascaris lumbricoides, Strongyloides stercoralis, amiodarone, nitrofurantoin, idiopathic eosinophilic pneumonia, pulmonary tuberculosis, PTB farmer's lung disease, extrinsic allergic alveolitis, hypersensitivity pneumonitis, HP, wheezing, dyspnea, maple bark stripper's lung, chicken plucker's lung, bagassosis, byssinosis, humidifier lung, Actinomyces, Aspergillus, actinomycetes, Saccharopolyspora rectivirgula, S rectivirgula, Micropolyspora faeni, M faeni, Thermoactinomyces vulgaris, T vulgaris, Thermoactinomyces viridis, T viridis, Thermoactinomyces sacchari, T sacchari, Krebs von den Lungen-6, KL-6 foreign body aspiration, aspirated objects, asphyxia, upper airway obstruction, café coronary, acute ventilatory failure, mediastinitis, tracheoesophageal fistula, bronchial obstruction, bronchiectasis, rigid bronchoscopy, flexible bronchoscopy, bronchotomy, segmental resection Histoplasma capsulatum, H capsulatum, Histoplasma species, dimorphic fungus, yeast, bat droppings, bird droppings, acute pulmonary histoplasmosis, pleural effusion, pericarditis, chronic pulmonary histoplasmosis, pulmonary fibrosis, mycelium, macroconidia, microconidia, progressive disseminated histoplasmosis, ocular histoplasmosis syndrome, chronic progressive disseminated histoplasmosis, subacute progressive disseminated histoplasmosis, acute progressive disseminated histoplasmosis hypersensitivity pneumonitis, HP, bird fancier's lung, extrinsic allergic alveolitis, farmer's lung, Saccharopolyspora rectivirgula, S rectivirgula, Micropolyspora faeni, M faeni, Thermoactinomyces sacchari, T sacchari, Thermoactinomyces vulgaris, T vulgaris, Penicillium casei, P casei, Aspergillus clavatus, A clavatus, Mucor stolonifer, M stolonifer, Sitophilus granarius, S granarius, Cladosporium, heykatarr, bagassosis, grain handler's lung, humidifier lung, air-conditioner lung, bird breeder's lung, cheese worker's lung, malt worker's lung, paprika splitter's lung, mollusk shell hypersensitivity, chemical worker's lung, pulmonary disease, lung disease primary alveolar hypoventilation, alveolar ventilation, VA, obesity hypoventilation syndrome, OHS, chronic obstructive pulmonary disease with hypercapnia, hypercapnia, chronic obstructive pulmonary disease, COPD, chronic lung disease, hypoxemia, hypoxia, respiratory system, respiratory failure, obstructive sleep apnea, sleep apnea, OSA, chest wall deformities, respiratory insufficiency, myasthenia gravis, amyotrophic lateral sclerosis, Guillain-Barre syndrome, Guillain-Barré syndrome, muscular dystrophy, kyphoscoliosis, dyspnea, central respiratory drive depression, pickwickian syndrome sleeplessness, insomniac, sleep disturbance, sleep disorder, inadequate sleep quality, sleep complaint, transient insomnia, adjustment sleep disorder, short-term insomnia, chronic insomnia, fatigue-related motor vehicle accident, hyperarousability, hyper-arousability, sleep hygiene Kartagener syndrome, KS, immotile cilia syndrome, primary ciliary dyskinesia, PCD, situs inversus, chronic sinusitis, bronchiectasis necrotizing pneumonia, lung gangrene, necrosis of pulmonary tissue, lung cavities, aspiration pneumonia, periodontal disease, bacteremia, tricuspid valve endocarditis LAM, progressive pulmonary dysfunction, abdominal tumors, angiomyolipomas, AML, abdominal mass, tuberous sclerosis, TSC, pulmonary disease, pneumothorax, lung disease, lung transplantation, lymphangioleiomyomatosis, LAM cell lymphocytic interstitial pneumonia, LIP, lymphoid interstitial pneumonitis, lymphoid pneumonitis, plasma cell interstitial pneumonitis, pulmonary interstitial infiltration, pseudolymphoma, autoimmune disorders, lymphoproliferative disorders, human immunodeficiency virus, HIV-related LIP, HIV-associated LIP, HIV, AIDS, Epstein-Barr virus, EBV, human T-cell leukemia virus, HTLV type 1, HIV type 1, rheumatoid arthritis, Hashimoto thyroiditis, myasthenia gravis, pernicious anemia, autoerythrocyte sensitization syndrome, chronic active hepatitis, common variable immunodeficiency, Sjögren syndrome, allogeneic bone marrow transplantation, lupus, lymphoma, B-cell CLL/lymphoma 6, BCL-6, zinc finger protein 51 lymphomatoid granulomatosis, angiocentric lymphoproliferative lesion, LYG, Wegener granulomatosis, Wegener's granulomatosis, WG, B-cell lymphoma, pulmonary angiitis Milroy disease, congenital lymphedema, lymphedema congenita, noninfectious hereditary elephantiasis, autosomal dominant lymphedema, lymphatic obstruction, fibrosis, cellulitis, Meige disease, lymphedema tarda, lymphedema praecox OSAHS, obstructive sleep apnea, apnea, snore, obesity complication, OSA, obstructive sleep apnea syndrome, OSAS, snoring, apneic sleep, sleep disorder, central sleep apnea, CSA, central breathing instability, continuous positive airway pressure, CPAP, apnea-hypopnea index, apnea-plus-hypopnea index, AHI, sleep-disordered breathing, sleep disordered breathing, uvulopalatopharyngoplasty, UPPP, excessive daytime sleepiness, EDS pleural effusion, pleuritis, pleurisy, serous pleurisy, wet pleurisy, congestive heart failure, lung malignancy, lung infections, pulmonary infection, pulmonary emboli, pulmonary embolus, lung emboli, lung embolus, esophageal rupture, pneumothorax, thoracentesis pleurodynia, pleuritis, pleuritic pain, lancinating chest pain, costalgia, epidemic pleurodynia, Bornholm disease, Bornholm's disease, Devil grip, Devil's grip, epidemic myalgia, coxsackievirus B, enteroviruses, meningitis, carditis, Sylvest's disease, Sylvest disease, epidemic benign dry pleurisy aspiration pneumonia, Mendelson syndrome, chemical pneumonitis, anaerobic bacterial pneumonia, chemical pneumonia, CP, aspiration of gastric acid, bacterial pneumonia, BP, aspiration of bacteria from oral and pharyngeal areas, exogenous lipoid pneumonia, aspiration of oil, aspiration of a foreign body, acute respiratory emergency, parenchymal inflammatory reaction, community-acquired pneumonia, CAP, nosocomial pneumonia, acute respiratory distress syndrome, ARDS pneumonia, pneumococcus, Streptococcus pneumoniae, S pneumoniae, Haemophilus influenzae, H influenzae, Staphylococcus aureus, S aureus, Legionella, Legionella pneumophila, Mycoplasma, Mycoplasma pneumoniae, Chlamydia, Chlamydia psittaci, Coccidioides immitis, Mycobacterium tuberculosis, M tuberculosis, Histoplasma capsulatum, Coxiella burnetii, C burnetii, Burkholderia pseudomallei, Pseudomonas, Pseudomonas pseudomallei, Melioidosis, Klebsiella, Klebsiella pneumoniae, K pneumoniae, Moraxella catarrhalis, M catarrhalis, Pneumocystis carinii, Cryptococcus neoformans, Rhodococcus equi, Mycobacterium avium-intracellulare, Serratia marcescens, Nocardia, Escherichia coli, Enterobacter, Serratia species, Bacteroides, Peptostreptococcus, Fusobacterium species, hospital-acquired pneumonia, community-acquired pneumonia, CAP, nosocomial pneumonia, viral pneumonia, typical pneumonia, atypical pneumonia, lobular pneumonia, lobar pneumonia, bronchial pneumonia, pores of Kohn, peripneumonia, inflammation of lung tissue, consolidation of lung tissue, influenza, bacterial pneumonia, bronchiectasis, respiratory failure, septic shock, bloody sputum, rust-colored sputum, green sputum, foul-smelling sputum, bad-tasting sputum, currant-jelly sputum, tachypnea, central cyanosis, rales, crackles, egophony upon auscultation, whispering pectoriloquy, pleural friction rub, endotracheal intubation, chronic obstructive pulmonary disease, COPD, smoking, asthma, chronic alcoholism, diabetes, Pontiac fever, gag reflex pulmonary mycosis, mycotic pneumonia, fungal pneumonia, Histoplasma capsulatum, H capsulatum, Coccidioides immitis, C immitis, Blastomyces dermatitidis, B dermatitidis, Paracoccidioides brasiliensis, P brasiliensis, Cryptococcus neoformans, C neoformans, Candida, Aspergillus, Mucor, endemic fungal pneumonia, aspergillosis, meningoencephalitis, cryptococcosis, acute leukemia or lymphoma during myeloablative chemotherapy, bone marrow transplantation, solid organ transplantation on immunosuppressive treatment, prolonged corticosteroid therapy, AIDS, congenital immune deficiency syndromes viral pneumonia, viral respiratory tract infections, influenza virus, respiratory syncytial virus, RSV, parainfluenza virus, PIV, Orthomyxoviridae, severe acute respiratory syndrome, SARS, avian influenza pulmonary alveolar proteinosis, PAP, alveolar filling with floccular material, periodic acid-Schiff, PAS, surfactant-associated protein B deficiency, SP-B deficiency, GM-CSF antibodies, GM-CSF deficiency, inhalation of silica dust, acute silicoproteinosis, insecticide exposure, aluminum dust exposure, titanium dioxide exposure, inorganic dust exposure, hematologic malignancy, myeloid disorder, lysinuric protein intolerance, HIV infection, AIDS pulmonary disease and pregnancy, amniotic fluid embolism, tocolytic pulmonary edema, preeclampsia, pulmonary edema, peripartum cardiomyopathy, acute respiratory failure, gestation trophoblastic disease, asthma, venous thromboembolism, VTE, pneumonia, pulmonary embolism, PE, pulmonary infections, lung infections, nonobstetric infection, indirect obstetric death, tuberculosis, TB, chorioamnionitis, trophoblastic embolism, placental abruption, acute lung injury, pulmonary vascular disease, obstructive sleep apnea, OSA, sleep apnea high-altitude pulmonary edema, mountain sickness, altitude illness, HAPE, high-altitude illness, cerebral edema, acute mountain sickness, retinal hemorrhages, peripheral edema, noncardiogenic pulmonary edema neurogenic pulmonary edema, NPE, pulmonary edema, epileptic seizures, epilepsy, seizures, cerebral hemorrhage, head trauma, cerebral bleeding, head injury, multiple sclerosis with medullary involvement, medullary multiple sclerosis, nonhemorrhagic stroke, non-hemorrhagic stroke, bulbar poliomyelitis, poliomyelitis, air embolism, air emboli, brain tumor, electroconvulsive therapy, ECT, bacterial meningitis, cervical spinal cord injury, spine injury pulmonary embolism, venous thromboembolism, PE, obstructive shock, deep vein thrombosis, deep venous thrombosis, DVT, hemodynamic collapse, acute pulmonary infarction, pulmonary hypertension, cor pulmonale, pleuritic chest pain, hemoptysis, venous stasis, polycythemia, immobility, hypercoagulability, factor V Leiden mutation, pancreatic carcinoma, bronchogenic carcinoma, carcinoma of the genitourinary tract, colon cancer, breast cancer, congestive heart failure, stroke, obesity, varicose veins, inflammatory bowel disease pulmonary eosinophilia, pulmonary infiltrate with eosinophilia syndrome, PIE syndrome, eosinophilic lung disease, inflammatory lung disease, pulmonary disease, eosinophilic immune response, acute eosinophilic pneumonia, AEP, chronic eosinophilic pneumonia, CEP, idiopathic hypereosinophilic syndrome, IHES, Churg-Strauss syndrome, CSS, eosinophilic granuloma, EG, pulmonary histiocytosis X, Langerhans cell granulomatosis, pulmonary eosinophilia, TPE, Loeffler syndrome, Loeffler's syndrome, Ascaris infestation, tapeworm, parasite infestation, strongyloidiasis, ascariasis, paragonimiasis, schistosomiasis, dirofilariasis, ancylostomiasis, trichomoniasis, clonorchiasis, visceral larva migrans, allergic bronchopulmonary aspergillosis, ABPA, Aspergillus, aspergillosis, allergic bronchopulmonary mycosis, bronchocentric granulomatosis, extrinsic eosinophilic syndromes, intrinsic eosinophilic syndromes, coccidioidomycosis IPF, cryptogenic fibrosing alveolitis, usual interstitial pneumonitis, UIP, interstitial disease, intersitial lung disease, desquamative interstitial pneumonitis, DIP, cor pulmonale, pneumothorax, thromboembolism disease, thromboembolic disease, chronic fibrosing alveolitis, fibrosing alveolitis, Hamman-Rich syndrome, collagen-vascular disease, collagen vascular disease, alveolar injuries, alveolar injury, inflammation of the lung parenchyma, fibrosis of the lung parenchyma, Ebstein-Barr virus, chronic aspiration secondary to gastroesophageal reflux interstitial lung disease, ILD, diffuse parenchymal lung disease, DPLD, diffuse lung disease, DLD, fibrotic lung disease, bronchiolitis obliterans-organizing pneumonia, BOOP, cryptogenic organizing pneumonia, COP, acute interstitial pneumonitis, AIP, eosinophilic pneumonia, desquamative interstitial pneumonitis, DIP, nonspecific interstitial pneumonitis, NSIP, hypersensitivity pneumonitis, HSP, lymphocytic interstitial pneumonitis, LIP, giant-cell pneumonitis, granulomatous pneumonitis, sarcoidosis, occupational interstitial lung disease, autoimmune pulmonary fibrosis pulmonary function testing, forced vital capacity, spirogram, forced spirogram, spirometry before and after bronchodilators, sitting and supine spirometry, diagnostic spirometry, functional reserve capacity, FRC, helium dilution lung volumes, nitrogen washout lung volumes, static lung volumes, lung subdivisions, transfer factor, DLCO, diffusing capacity of lung, DL, diffusing capacity of lung/volume averaging, DL/VA, KCO, Krogh constant, maximum inspiratory pressures, MIP, maximum expiratory pressures, MEP, negative inspiratory force, NIF, respiratory pressures, maximum respiratory pressures, oximetry, oxygen saturation check, exercise oximetry, oxygen titration by oximetry, oxygen saturation measured using pulse oxymetry, oxygen desaturation test, SpO2, Mecholyl challenge, bronchial provocation test, cardiopulmonary exercise test, CPX, ABG idiopathic pulmonary arterial hypertension, IPAH, idiopathic pulmonary hypertension, elevated pulmonary artery pressure, thrombotic pulmonary arteriopathy, TPA, plexogenic pulmonary arteriopathy, primary pulmonary hypertension, PPH, precapillary pulmonary hypertension, prostacyclin analogues, endothelin receptor antagonists, ERAs, endothelin-receptor antagonists, pulmonary hypertension, portal hypertension, pulmonary arteriopathy, pulmonary artery hypertension, PAH, pulmonary arterial hypertension, portopulmonary hypertension, CREST, calcinosis cutis, Raynaud phenomenon, esophageal motility disorder, sclerodactyly, telangiectasia, variant of scleroderma, systemic lupus erythematosus, mixed connective-tissue disease, exposure to anorexigens, cocaine, amphetamines, HIV infection, HIV seropositivity, right-sided heart failure, recurrent syncope, pulmonic regurgitation, Graham Steell murmur, tricuspid regurgitation, right ventricular lift, right ventricular failure, hepatomegaly, abnormal abdominal-jugular reflex, cirrhosis, stimulant abuse secondary pulmonary artery hypertension, SPAH, pulmonary artery hypertension, pulmonary arterial hypertension, PAH, cardiac disorders, pulmonary disorders, chronic obstructive pulmonary disease, COPD, high-altitude disorders, hypoventilation disorders, obstructive sleep apnea, OSA, collagen vascular diseases, systemic scleroderma, CREST syndrome, calcinosis cutis, Raynaud phenomenon, esophageal motility disorder, sclerodactyly, telangiectasia, left heart disorders, atrial septal defects, ventricular septal defects, left ventricular dysfunction, LV dysfunction, mitral valvular disease, constrictive pericarditis, aortic stenosis, cardiomyopathy, poliomyelitis, myasthenia gravis, kyphoscoliosis, interstitial lung disease, HIV infection, toxins, portal hypertension, sickle cell disease, schistosomiasis, pulmonary capillary hemangiomatosis, deep venous thrombosis, pulmonary embolism, arthritis, arthralgias, heavy alcohol consumption, hepatitis, heavy snoring, daytime hypersomnolence, morning headaches, morbid obesity, hypertension, syncope, exertional angina, mitral stenosis, pulmonary artery distension, right ventricular ischemia, cor pulmonale, tricuspid regurgitation, hepatomegaly, pulsatile liver, ascites, left atrial hypertension, pulmonary venous obstruction, mediastinal fibrosis, pulmonary venoocclusive disease recurrent respiratory papillomatosis, RRP, juvenile-onset recurrent respiratory papillomatosis, JORRP, adult-onset recurrent respiratory papillomatosis, AORRP, human papilloma virus, HPV, airway obstruction, voice change, warts, sexually transmitted diseases, STDs hypoventilation, hypercapnia, alveolar hypoventilation, impaired ventilation, central respiratory depression, myasthenia gravis, amyotrophic lateral sclerosis, Guillain-Barre syndrome, muscular dystrophy, asthma, airway obstruction, chronic obstructive pulmonary disease, COPD, increased ventilation-perfusion mismatch, decreased diaphragm function, diaphragm dysfunction, obesity hypoventilation syndrome, pickwickian syndrome, respiratory muscle fatigue, emphysema, chronic bronchitis, bronchitis, amyotrophic lateral sclerosis, diaphragm paralysis, kyphoscoliosis hyperventilation, hypocapnia, alveolar hyperventilation, mechanical ventilation, respiratory acid-base disorder, alkalemia, hypocalcemia, hyponatremia, hypochloremia, hyperventilation syndrome, anxiety, psychosis, meningitis, cerebrovascular accident, encephalitis, tumor, trauma, hypoxemia, drug reactions, pregnancy, hyperthyroidism, pneumothorax, hemothorax, pneumonia, pulmonary edema, interstitial lung disease, sepsis, hepatic failure, heat exhaustion, metabolic acidosis, severe anemia, pulmonary disease restrictive lung disease, pulmonary fibrosis, kyphoscoliosis, sarcoidosis, interstitial pneumonitis, intrinsic lung diseases, pneumonitis, diseases of lung parenchyma, interstitial lung disease, pneumonitis, idiopathic fibrotic diseases, connective-tissue diseases, drug-induced lung disease, primary lung disease, extrinsic lung disorders, extraparenchymal diseases, lung restriction, impaired ventilatory function, respiratory failure, idiopathic pulmonary fibrosis, IPF, total lung capacity, TLC sarcoidosis, sarcoid, noncaseating granulomas, NCGs, non-caseating granulomas, lung disease, pulmonary disease, cardiac sarcoid, sarcoid lesion silicosis, pneumoconiosis, pneumoconioses, fibronodular lung disease, work-related illness, mining illness, mining, tunneling, quarrying, drilling, crushing stone, chipping, grinding, sandblasting, cement manufacturing, building construction, occupational hazard, cutting bricks, manufacturing bricks, silica dust, silica exposure silo unloader disease, nitrogen dioxide poisoning, SFD, silo-filler's disease, proliferative pulmonary disease, pulmonary edema, bronchiolitis obliterans, asphyxiation, methemoglobinemia, chemical pneumonitis, acute respiratory distress syndrome, ARDS, acute lung injury, nitrogen oxides, bronchioles lung injury, alveoli lung injury, arterial blood gas, ABG, methemoglobin, MHb, methemoglobinemia solitary pulmonary nodule, SPN, early lung cancer, histoplasmosis, coccidioidomycosis, blastomycosis, pulmonary mycosis, tuberculosis, TB, bronchogenic carcinoma, nocardiosis, asbestos exposure, radon exposure, nickel exposure, chromium exposure, vinyl chloride exposure, polycyclic hydrocarbon exposure, chemical exposure, industrial exposure, bronchogenic cancer, bronchogenic malignancy, pulmonary mycosis, mycosis, lung nodule, malignant nodule, lung lesion, lung malignancy, neoplasm, primary neoplasm, lung neoplasm, granuloma, infectious granuloma, lung granuloma, benign lung lesion, hamartoma, lymphoma, carcinoid, fibroma, neurofibroma, blastoma, sarcoma, lung abscess, round pneumonia, hydatid cyst, rheumatoid arthritis, RA, Wegener granulomatosis, sarcoidosis, lipoid pneumonia, arteriovenous malformation, AVM, lung cyst, pulmonary infarct, round atelectasis, mucoid impaction, mucus impaction, progressive massive fibrosis status asthmaticus, acute asthma, hyperactive airway disease, asthma, asthma emergency, allergen exposure, respiratory tract infection, pollen, mold, animal dander, house dust mites, wheezing, chest tightness, progressive shortness of breath, dry cough, viral respiratory illness, underuse of anti-inflammatory therapy, allergic bronchopulmonary aspergillosis, Churg-Strauss vasculitis, beta-agonists, theophylline, bronchoconstrictive response, broncho-constrictive response, peripheral airway inflammation, bronchodilator therapy tobacco worker's lung, hypersensitivity pneumonitis, HP, extrinsic allergic alveolitis, EAA, TWL, parenchymal lung diseases, tobacco molds, Aspergillus species, interleukin-1, tumor necrosis factor-alpha, interleukin-6, IL-1, IL-6, pulmonary inflammation, Scopulariopsis brevicaulis URI, upper respiratory tract infection, upper respiratory infection, common cold, viral upper respiratory tract infection, viral respiratory infection, viral pharyngitis, bacterial pharyngitis, bacterial upper respiratory infection, nasopharyngitis, rhinopharyngitis, sinusitis, rhinosinusitis, epiglottitis, supraglottitis, laryngitis, laryngotracheitis, laryngotracheobronchitis, croup, whooping cough, group A streptococci, group A Streptococcus species, GAS, Streptococcus pyogenes, S pyogenes, Haemophilus influenzae type B, Hib, H influenzae, pertussis, diphtheria conventional respiratory support, positive pressure ventilation, positive-pressure ventilation, negative-pressure ventilation, negative pressure ventilation, iron lung, cuirass, shell unit, acute lung injury, chronic obstructive lung disease, apnea, respiratory arrest, neuromuscular disease, chronic obstructive pulmonary disease, COPD, acute respiratory distress syndrome, ARDS, permissive hypercapnia, iron lung non-invasive ventilation, noninvasive ventilatory support, non-invasive ventilatory support, noninvasive positive-pressure ventilation, NPPV, negative-pressure ventilation, volume ventilator, pressure-controlled ventilator, bilevel positive airway pressure, BIPAP, bilevel ventilator, continuous positive airway pressure, CPAP, acute respiratory failure, chronic respiratory failure, artificial respiration, body ventilator