• The role of lung volume measurements in the assessment of disease severity, functional disability, course of disease and response to treatment remains to be determined in infants, as well as in children and adults. (ersjournals.com)
  • Nevertheless, in particular circumstances, measurements of lung volume are strictly necessary for a correct physiological diagnosis 1 . (ersjournals.com)
  • Lung volume measurements taken with cabinless plethysmography are considered equivalent to body plethysmography. (wikipedia.org)
  • CT utilizes specific airway and lung density measurements to identify severity of disease and pathology, hyperpolarized gases are used as MRI contrast media to identify small airway disease, and positron emission tomography (PET) can help identify and target lung inflammation. (medscape.com)
  • You will see that most companies claim their machines to be the Gold Standard in body composition measurements, DEXA, BIA, and BOD POD are three culprits in this marketing scheme. (jmaxfitness.com)
  • The Q-Box is the new generation body-box from COSMED for Gold Standard thoracic gas volume measurements. (chsltd.com)
  • The physiological basis and clinical significance of lung volume measurements. (derangedphysiology.com)
  • ATS Workshop on Lung Volume Measurements. (derangedphysiology.com)
  • Lung Volume Measurements" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (wakehealth.edu)
  • This graph shows the total number of publications written about "Lung Volume Measurements" by people in this website by year, and whether "Lung Volume Measurements" was a major or minor topic of these publications. (wakehealth.edu)
  • Below are the most recent publications written about "Lung Volume Measurements" by people in Profiles. (wakehealth.edu)
  • This requires not only better understanding of airway pathophysiology but also an enhanced ability to make physiological measurements of disease activity and lung function and, if we are to impact on the natural history of these diseases, reliable measures in early disease. (ox.ac.uk)
  • Traditionally, response to therapy is monitored only by evaluation of clinical signs and radiographic examination of the lungs. (bvsalud.org)
  • Measuring lung volumes in advanced asbestosis: comparability of plethysmographic and radiographic versus helium rebreathing and single breath methods. (shengsci.com)
  • HRCT has the potential to aid with the functional assessment of the lungs, such as tests of airtrapping and the bronchodilator response. (medscape.com)
  • Body plethysmography is a fundamental method for the assessment of static lung volumes. (bvsalud.org)
  • The assessment of a lung disorder often involves testing how much air the lungs can hold (lung volume) as well as how much and how quickly air can be exhaled (airflow). (msdmanuals.com)
  • The lung volumes are important parameters for the assessment of restrictive diseases like pulmonary fibrosis and obstructive diseases like COPD. (lung-centre.com)
  • Discover the future of metabolic testing with the ground-breaking Q-NRG Max, an innovative metabolic system designed by COSMED, a worldwide leader in the development of Research grade and Clinical devices for metabolic and body composition assessment. (cosmed.com)
  • This paper gives a brief overview of common non-invasive techniques for body composition analysis and a more in-depth review of a body composition assessment method based on fat-referenced quantitative MRI. (highwire.org)
  • The additional ability of MRI to also measure muscle volumes, muscle AT infiltration and ectopic fat, in combination with rapid scanning protocols and efficient image analysis tools, makes quantitative MRI a powerful tool for advanced body composition assessment. (highwire.org)
  • To combat these challenges and potentially save more lives, OPOs are increasingly turning to telepulmonology as a means to expedite and enhance the assessment of suitable lungs for transplantation. (specialistdirectinc.com)
  • In contrast, lung volumes derived from conventional chest radiographs are usually based on the volumes within the outlines of the thoracic cage, and include the volume of tissue (normal and abnormal), as well as the lung gas volume. (ersjournals.com)
  • Lung volumes derived from computed tomography (CT) scans can include estimates of abnormal lung tissue volumes, in addition to normal lung tissue volumes and the volume of gas within the lungs. (ersjournals.com)
  • Some of the benefits of sWBP in the context of respiratory disease are that host breath monitoring comes the closest of any physiologic measurement at assessing dysfunction of the primary infected tissue, namely, the lung. (bvsalud.org)
  • These genetic variants of SUMF1 may cause a deficient sulfation balance in the extracellular matrix of the lung tissue, thereby contributing to the development of COPD. (lu.se)
  • This destroys lung tissue and makes gas exchange more difficult, resulting in a lack of oxygen in the blood. (mediservice.ch)
  • Besides, we found that miR-153-3p-EVs could damage the respiratory ability of mice and produce a mass of inflammatory cells around the lung tissue of mice. (molcells.org)
  • Integrated hardware, software, and curriculum systems allow students to record data from their own bodies, animal, or tissue preps to learn principles of life science physiology. (biopac.com)
  • Interstitial Lung Disease refers to a large group of lung disorders that cause inflammation or scarring in the lung tissue. (stanford.edu)
  • The interstitium refers to the tissue area in and around the wall of the airsacs (alveoli) of the lung area where oxygen moves from the alveoli into the capillary network (small blood vessels) that covers the lung like a thin sheet of blood. (stanford.edu)
  • The changes in the lung tissue can also cause a dry, hacky cough for some patients. (stanford.edu)
  • These three groups of ILDs have slightly different presentations, and different findings on the CT scans, lung tissue biopsy (if done), and bloodwork results. (stanford.edu)
  • If you undergo a lung biopsy, the pathologist can confirm a diagnsosi of Hypersensitivity Pneumonitis by findings in the lung tissue. (stanford.edu)
  • Bronchus-associated lymphoid tissue (BALT) in the lungs of rats exposed for 20 days contained germinal centers and mitotic cells suggesting activation. (biomedcentral.com)
  • Inflammation was evaluated by counting the number of inflammatory cells in bronchoalveolar lavage fluid and measuring the expression of the IL-6 mRNA in mouse lung tissue. (biomedcentral.com)
  • Changes in pathology were assessed by performing hematoxylin and eosin and Masson staining of lung tissue sections. (biomedcentral.com)
  • This allows us to examine the patient's airways for abnormalities such as foreign bodies, bleeding, tumours, or inflammation. (janeyapchestandmedical.com)
  • Another pulmonary function test, called fractional exhaled nitric oxide (FeNO), measures nitric oxide, which is a marker for inflammation in the lungs. (janeyapchestandmedical.com)
  • Acute lung injury (ALI) induces inflammation that disrupts the normal alveolar-capillary endothelial barrier which impairs gas exchange to induce hypoxemia that reflexively increases respiration. (unmc.edu)
  • COPD is a chronic lung disease characterised by chronic bronchitis (chronic inflammation of the alveoli) and emphysema (hyperinflation of the lungs), which leads to breathing difficulties. (mediservice.ch)
  • This inflammation and scarring also makes the lung a bit stiffer which can increase the 'work' of breathing and make you feel more breathless than normal, especially with exertion such as walking up stairs. (stanford.edu)
  • Therefore, we tested a hypothesis in a rat model that multiple interrupted exposures to the barn air will cause chronic lung inflammation and decline in lung function. (biomedcentral.com)
  • We conclude that multiple exposures to endotoxin-containing swine barn air induce AHR, increase in mucus-containing airway epithelial cells and lung inflammation. (biomedcentral.com)
  • Collectively, these data show that a single exposure to the barn air initiates acute lung inflammation. (biomedcentral.com)
  • Chronic obstructive pulmonary disease (COPD) is a chronic progressive lung disease characterized by a persistently limited airflow, chronic airway inflammation, airway remodeling and emphysema [ 1 ]. (biomedcentral.com)
  • Independent of the protocol used, response lung inflammation and remodeling requires chronic repeated was characterized by increased influx of neutrophilic granulocytes inhalation challenges to haptens (or antigens) rather than an all- in BAL and delayed respiratory response. (cdc.gov)
  • Several SNPs in the SUMF1 gene are shown to be associated with COPD and impaired lung function. (lu.se)
  • Some lung diseases (such as emphysema, asthma, chronic bronchitis, and infections) can make the lungs contain too much air and take longer to empty. (medlineplus.gov)
  • High-resolution CT scan of the thorax obtained during expiration demonstrates a mosaic pattern of lung attenuation in a patient with asthma. (medscape.com)
  • Magnetic resonance imaging (MRI) that utilizes hyperpolarized gas can depict the regional distribution of ventilation defects in asthma across the entire lung. (medscape.com)
  • [ 9 ] In a study of 11 individuals with mild to moderate asthma, hyperpolarized helium 3 MRI ventilation defect volume predicted postbronchodilator forced expiratory volume in 1 second reversibility after 6 years. (medscape.com)
  • Pulmonary function tests help  compare lung function with known standards that give an indication of how well normal lungs should be functioning  diagnose diseases of the lung such as asthma, bronchitis, and emphysema  determine the cause of shortness of breath  measure the effects of exposure to chemicals, coal dust, and other toxins on lung function  … She is having a pulmonary emergency. (forteco.pl)
  • Oliver A, Quinn D, Goldfrad C, van Hecke B, Ayer J, Boyce M. Combined fluticasone furoate/vilanterol reduces decline in lung function following inhaled allergen 23 h after dosing in adult asthma: a randomised, controlled trial. (hmrlondon.com)
  • The test can also display common lung problems such as asthma, emphysema, bronchitis, and muscular conditions. (lungandsleepspecialists.com)
  • An open circuit tracer gas washout method for measurement of lung volume in patients during anesthesia and intensive care is described and tested. (nih.gov)
  • The amount of SF6 present in the lungs at the end of a washin is calculated during washout from signals representing expired SF6 concentration and expired flow. (nih.gov)
  • Much has been published earlier on the pathogenesis and implications of cardiovascular co-morbidities in COPD, and even current Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2020 guidelines highlight the importance of management of co-morbidities in COPD management [ 4 , 5 ]. (e-trd.org)
  • We searched PubMed, Scopus, EMBASE, and Google Scholar using the search terms "COPD and heart failure (HF)", "COPD and cardiovascular disease", "Airflow limitation and cardiac disease", "COPD and heart disease", "COPD and ischemia", "COPD and atrial fibrillation", and "FEV 1 (forced expiratory volume at 1 second) and cardiovascular disease. (e-trd.org)
  • To study this putative link, we used a mouse model of chronic obstructive pulmonary disease (COPD) and assessed lung function by unrestrained whole-body plethysmography. (endocrine.org)
  • Pressure (P)-volume (V) relationships of the total respiratory system a) in normal and b) in chronic obstructive pulmonary disease (COPD).Tidal P-V curves during rest ( ) and exercise ( ) are shown. (annarborbonsaisociety.org)
  • In the present study, we first evaluated and compared the dynamic evolution of the pathology and lung function in these two most widely used mouse models of COPD to provide evidence for further COPD modelling. (biomedcentral.com)
  • Accurate and reproducible results were obtained in lung model tests during ventilation with air, N2O in O2, and halothane in O2. (nih.gov)
  • Background Effective lung protective ventilation requires reliable, real-time estimation of lung volume at the bedside. (bmj.com)
  • Lung protective ventilation strategies require reliable estimation of lung volume at the bedside. (bmj.com)
  • These results suggest that improvement of LCI after antibiotic treatment in this patient group can be explained by: less secretion and obstruction (better ventilation of conductive airways=lower Scond), better ventilated lung units (net increase of expired tracer gas=FRC MBW ) and less hyperinflation (lower RV). (bmj.com)
  • Change in abnormal LCI remains complex and is determined by several components contributing to overall ventilation heterogeneity, generated at different levels of the lung. (bmj.com)
  • One prevalent approach is ventilation with large tidal volumes. (annarborbonsaisociety.org)
  • LARGE tidal volumes (V T) contribute to and worsen the acute respiratory distress syndrome (ARDS) in intensive care unit (ICU) patients after hours or days of ventilation. (annarborbonsaisociety.org)
  • However, the lung available for ventilation is significantly reduced … Other possible sequelae of auto-PEEP are barotrauma, ventilator-induced lung injury, and V/Q mismatch. (annarborbonsaisociety.org)
  • There are 3 main ways auto-PEEP occurs: 1) High minute ventilation - high respiratory rates or high tidal volumes Similar to pulmonary function tests, these will include tidal breathing (the normal breathing volume), respiratory rate, and vital capacity (breathing volume during a deep breath). (annarborbonsaisociety.org)
  • Neonatal chronic lung disease, also known as bronchopulmonary dysplasia (BPD), is defined as the need for respiratory support with oxygen and/or mechanical ventilation in the first 28 days of life 1-4 . (bvsalud.org)
  • These lung diseases are called obstructive lung disorders. (medlineplus.gov)
  • Rationale To assess respiratory function to assist in evaluating obstructive versus restrictive lung disease and to monitor and assess the effectiveness of therapeutic interventions. (forteco.pl)
  • A diffusion rate that is below normal often reveals that the person is suffering from obstructive lung disease or pulmonary damage, while a diffusion rate that is higher than normal can be indicative of polycythemia (elevated red blood cell count) or bleeding in the lungs. (lungandsleepspecialists.com)
  • This test allows the health care provider to estimate how well the lungs move oxygen from the air into the bloodstream. (medlineplus.gov)
  • Other lung diseases make the lungs scarred and smaller so that they contain too little air and are poor at transferring oxygen into the blood. (medlineplus.gov)
  • Pulmonary function tests measure the lungs' capacity to hold air, to move air in and out, and to absorb oxygen. (msdmanuals.com)
  • This is because the atmosphere is less dense at higher altitude, and therefore, the same volume of air contains fewer molecules of all gases, including oxygen . (wikidoc.org)
  • Diffusion is a very sensitive method by which we measure how well your lungs exchange gases, i.e. we find out if there is difficulty in the uptake of oxygen in tissues and in the elimination of carbon dioxide. (lung-centre.com)
  • Pulmonary Function Tests Pulmonary function tests (PFT's) are breathing tests to find out how well you move air in and out of your lungs and how well oxygen enters your blood stream. (forteco.pl)
  • For the test, different monitors will be placed on your body, including EKG leads to measure heart rate, a blood pressure cuff, a pulse oximeter to measure blood oxygen level, and a mouthpiece attached to a flow meter to measure your breathing rate and depth. (lungandsleepspecialists.com)
  • A gas diffusion study measures how efficiently your lungs absorb oxygen and release carbon dioxide. (lungandsleepspecialists.com)
  • This test determines how well someone is able to breathe and how effective the lungs bring oxygen to the rest of the body. (nutrition4kids.com)
  • A machine is then used to detect how well the lungs are able to transfer oxygen and carbon dioxide into and out of the bloodstream. (nutrition4kids.com)
  • Once the oxygen crosses the interstitial space it enters the bloodstream and is delivered to the vital organs of your body. (stanford.edu)
  • Pulmonary function tests are a group of tests that measure breathing and how well the lungs are functioning. (medlineplus.gov)
  • A plethysmograph is an instrument for measuring changes in volume within an organ or whole body (usually resulting from fluctuations in the amount of blood or air it contains). (wikipedia.org)
  • Several techniques are used: Whole-body plethysmography is used to measure respiratory parameters in conscious unrestrained subjects, including quantification of bronchoconstriction. (wikipedia.org)
  • Whole body calorimetry and composition and whole body bioimpedance analysis for weight reduction and other indications. (aetna.com)
  • To test the hypothesis that this transition - from blunting to augmenting the HVR - occurs in the third or fourth postnatal week in rats, juvenile and adult rats were exposed to normobaric CH (12% O2) for 7 days and the HVR was assessed by whole-body plethysmography. (bvsalud.org)
  • This article demonstrates the use of Simplified Whole Body Plethysmography (sWBP) to non-invasively study respiratory failure in a model of lethal respiratory melioidosis. (bvsalud.org)
  • Barometric whole-body plethysmography (BWBP) is considered a non-invasive, well-tolerated form of measuring airway reactivity in cats. (bvsalud.org)
  • BOD POD technology is based on the same operating principles as a hydrostatic (underwater) weighing, measuring body mass and body volume by whole-body densitometry within a two-compartment model to determine body composition. (cosmed.com)
  • We are describing the evolution of the respiratory function after infection using whole-body plethysmography in a hamster model of SARS-CoV-2 pneumonia. (covid19-wb.be)
  • Whole-body CS exposure and whole-body CS exposure combined with an intranasal instillation of lipopolysaccharide (LPS) are the two most frequently applied methods, because they are relatively consistent with the clinical condition and the two models have been compared. (biomedcentral.com)
  • Muscular weakness can also cause abnormal test results, even if the lungs are normal, that is similar to the diseases that cause smaller lungs. (ucsfhealth.org)
  • Medical History and Physical Examination for Lung Disorders A doctor first asks the person about symptoms. (msdmanuals.com)
  • Through remote testing, donors from any location can be assessed round-the-clock, enabling the measurement of lung volume, capacity, flow rates, and gas exchange to identify lung disorders that do not align with the ideal donor criteria. (specialistdirectinc.com)
  • Abnormal results usually mean that you may have chest or lung disease. (medlineplus.gov)
  • First, the change in volume of the chest is computed. (wikipedia.org)
  • Once the new volume is found, the original volume minus the new volume is the change in volume in the box and also the change in volume in the chest. (wikipedia.org)
  • With this information, Boyle's Law is used again to determine the original volume of gas in the chest: the initial volume (unknown) times the initial pressure is equal to the final volume times the final pressure. (wikipedia.org)
  • Patients require a chest drain and a short admission until the affected lung has fully re-expanded. (mse.nhs.uk)
  • It represents the point where elastic recoil force of the lung is in equilibrium with the elastic recoil of the chest wall, i.e. where the alveolar pressure equilibrates with atmospheric pressure. (derangedphysiology.com)
  • Intrathoracic volume decreases, which means the volume of the box increases (as the walls are rigid and there is a finite volume shared by the chest and the box). (derangedphysiology.com)
  • Though the amount of the gas in the chest is unknown, we know that (according to Boyle's law) the product of pressure and volume in the chest should be the same as the product of volume and pressure in the box. (derangedphysiology.com)
  • The present document integrates and consolidates the recommendations of the current American Thoracic Society (ATS)/European Respiratory Society Task Force on pulmonary function standards, and the recommendations from an earlier National Heart, Lung, and Blood Institute (NHLBI) workshop convened by the ATS. (ersjournals.com)
  • The advantages of triple therapy are observed across a range of physiologically important parameters, including airway conductance and lung volumes. (bmj.com)
  • Prognostic significance of hemostatic parameters in patients with lung cancer. (shengsci.com)
  • We assessed changes of lung function parameters before and after 23 courses of intravenous antibiotics in 19 children with CF aged 5-18 years. (bmj.com)
  • The selected plethysmographic parameters will allow a noninvasive monitoring of the lung function and lesions in the hamster model, permitting the screening of therapeutic molecules aiming at alleviating the respiratory dysfunction after SARS-CoV-2 infection. (covid19-wb.be)
  • The test will measure different parameters of the body and pinpoint issues with your lungs, heart, and musculoskeletal system. (lungandsleepspecialists.com)
  • Although some researchers use this device to assess sexual arousal and sexual orientation, courts that have considered penile plethysmography generally rule that the technique is not sufficiently reliable for use in court. (wikipedia.org)
  • The Pulmonary Physiology Department carries out a wide range of diagnostic tests to assess lungs function, cardio-respiratory function and muscle strength. (mse.nhs.uk)
  • Telepulmonology streamlines the evaluation process, enabling remote pulmonologists to assess lung viability and confirm interpretations via teleconferencing at ICU locations. (specialistdirectinc.com)
  • If you are experiencing symptoms associated with the respiratory system (e.g., shortness of breath, cough, or wheezing), you currently use tobacco products, or you are considering lung or airway surgery, it is likely your specialist will recommend a pulmonary function test in order to assess your lung function. (lungandsleepspecialists.com)
  • Often, the tests are repeated after a person takes a drug that opens the airways of the lungs (bronchodilator). (msdmanuals.com)
  • Body Fat Tests: Valuable Tool or Total Waste of Time? (jmaxfitness.com)
  • Now let's take a cursory look at the science behind calculating body composition before we talk about the actual tests that you could have administered. (jmaxfitness.com)
  • Body composition tests can be broken down into various categories that generally correlate to the level of accuracy. (jmaxfitness.com)
  • Pulmonary function tests (PFTs) are a group of tests that measure how well your lungs work. (forteco.pl)
  • Pulmonary Function Tests are a diagnostic tool used for detecting, characterizing and quantifying the severity of lung disease. (forteco.pl)
  • Reference values for lung function tests: I. Static volumes. (derangedphysiology.com)
  • Diagnostic studies and Pulmonary Function Tests (PFTs) supply crucial data to OPOs in need of lung donations. (specialistdirectinc.com)
  • PFT is an umbrella term that encompasses many different types of tests that measure your lung capacity and function. (lungandsleepspecialists.com)
  • Lung or pulmonary function tests (PFTs) check how well the lungs work. (nutrition4kids.com)
  • The body weight of the mice was recorded, and noninvasive lung function tests were performed monthly. (biomedcentral.com)
  • Diffusion capacity evaluates how well the small air sacks inside the lungs (alveoli), work. (nutrition4kids.com)
  • The maximum volume of gas that can be inspired from FRC is referred to as the inspiratory capacity (IC). (ersjournals.com)
  • The vital capacity (VC) is the volume change at the mouth between the positions of full inspiration and complete expiration. (ersjournals.com)
  • The average pair of human lungs can hold about 6 liters of air, but only a small amount of this capacity is used during normal breathing . (wikidoc.org)
  • A person who is born and lives at sea level will develop a slightly smaller lung capacity than a person who spends their life at a high altitude. (wikidoc.org)
  • The average total lung capacity of an adult human male is about 6 litres of air. (lung-centre.com)
  • Other SNPs (rs4685744, rs2819562, rs2819561 and rs11915920) were instead associated with impaired lung volumes and exhibited a lower FVC, total lung capacity and alveolar volume, in individuals having the variance allele. (lu.se)
  • This lung function test determines the FEV1 value (one-second capacity measurement of the lung, in which you exhale as quickly as possible), which indicates the extent to which the airways are narrowed. (mediservice.ch)
  • Thus, we sought to determine the contribution of lung-volume quantification using multidetector computed tomography (CT) in adults with CF and to investigate the association between structural changes and functional abnormalities. (rcjournal.com)
  • Air enters, inflating the lung through either the nose or the mouth into the pharynx ( throat ) and trachea before entering the alveoli. (wikidoc.org)
  • The term "interstitial" refers to the area that surrounds the airsacs (alveoli) of the lung. (stanford.edu)
  • The interstitial space around the alveoli can become inflamed, thickened or scarred because of a variety of insults or reactions in the lungs. (stanford.edu)
  • Time-Dependent Alteration in the Chemoreflex Post-Acute Lung Injury" by Kajal Kamra, Nikolay Karpuk et al. (unmc.edu)
  • Despite these abnormalities, total lung volume measured by lung-volume quantification using multidetector CT did not differ between subjects and controls. (rcjournal.com)
  • Lung volumes measurement is an integral part of the pulmonary function test. (lung-centre.com)
  • A Pulmonary Function Test (PFT) is a non-invasive method used to determine how well your lungs function at rest and during exercise. (lungandsleepspecialists.com)
  • Electrical impedance tomography was used to derive regional lung volumes. (bmj.com)
  • Impedance plethysmography is a non-invasive method used to detect venous thrombosis in these areas of the body. (wikipedia.org)
  • Since this term is too nonspecific, it is recommended that its use should be discontinued and replaced with more specific terminology, for example, plethysmographic lung volume (abbreviated at V L,pleth ), and FRC by body plethysmography or TGV at FRC (FRC pleth ). (ersjournals.com)
  • This was a cross-sectional study in which 21 adults with CF and 22 control subjects underwent lung-volume quantification using multidetector CT. (rcjournal.com)
  • TLC refers to the volume of gas in the lungs after maximal inspiration, or the sum of all volume compartments. (ersjournals.com)
  • The volume of gas contained in the lung at the end of maximal inspiration. (wikidoc.org)
  • The amount of air that can be forced out of the lungs after a maximal inspiration. (wikidoc.org)
  • The volume of air inhaled and exhaled and the length of time each breath takes are recorded and analyzed. (msdmanuals.com)
  • The recording device measures the volume of air inhaled or exhaled and the length of time each breath takes. (msdmanuals.com)
  • The technician will direct you to take a deep breath in and then breathe out as forcefully and quickly as possible until you empty your lungs. (lungandsleepspecialists.com)
  • The severity of lung irritation and respiratory symptoms increases during winter and is also related to the number of working hours [ 6 ]. (biomedcentral.com)
  • Bronchopulmonary dysplasia (BPD) is a multifactorial chronic lung disease that contributes to disruption of pulmonary development. (bvsalud.org)
  • The inspiratory reserve volume is the maximum volume of gas that can be inhaled from the end-inspiratory level during tidal breathing. (ersjournals.com)
  • Inspiratory reserve volume is … Respiratory volumes are the amount of air inhaled, exhaled and stored within the lungs at any given time. (annarborbonsaisociety.org)
  • Aetna considers the FDA-cleared weight reduction device, Plenity (Gelesis, Inc.), as medically necessary to aid in weight management in overweight and obese adults with a Body Mass Index (BMI) of 25-40 kg/m 2 , when used in conjunction with diet and exercise. (aetna.com)
  • Adults with CF had more non-aerated regions and poorly aerated regions with lung-volume quantification using multidetector CT than controls. (rcjournal.com)
  • The thoracic gas volume (TGV or V TG ) is the absolute volume of gas in the thorax at any point in time and any level of alveolar pressure. (ersjournals.com)
  • It refers to the volume of gas in the lungs at a given time during the respiratory cycle. (lung-centre.com)
  • Measurement of the amount of air that the lungs may contain at various points in the respiratory cycle. (wakehealth.edu)