AnatomyDiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPhenomena and ProcessesDisciplines and OccupationsInformation ScienceHealth Care
Lung Volume MeasurementsPlethysmography, Whole BodyLungBlood Volume DeterminationImaging, Three-DimensionalFunctional Residual CapacityReproducibility of ResultsBlood VolumeTotal Lung CapacityObserver VariationPhysiologyPulmonary EmphysemaRespiratory MechanicsLung ComplianceImage Processing, Computer-AssistedResidual VolumeLung DiseasesMagnetic Resonance ImagingPneumonectomyUltrasonography, PrenatalOrgan SizeTomography, X-Ray ComputedErythrocyte VolumeRespiratory Function TestsEnophthalmosPlasma VolumeSensitivity and SpecificityCardiac VolumeVital CapacityOrbital FracturesLung NeoplasmsTidal VolumeSerum Albumin, Radio-IodinatedForced Expiratory VolumeImage Interpretation, Computer-AssistedHeliumUltrasonographyReference ValuesLung InjuryRadiographic Image Interpretation, Computer-AssistedProspective StudiesGestational AgeStroke VolumeAirway ResistanceRespirationDiaphragmPulmonary Diffusing CapacityPulmonary Gas ExchangeInhalationEmphysemaPregnancyExpiratory Reserve VolumePressure
SpirometryJournal of Applied PhysiologyEuropean Respiratory SocietyObstructiveTissueEmphysemaHumansTidal volumeAirwayComputed tomographyReduced Lung FunctionExpiratoryClinicalVital CapacityCapacitiesAlveolarStudy of pulmonaryAcute lung iPatient'sDecreasesBiologicalPhysiologicalCOPDBehaviorCystic fibrosisMetabolismFunctionFunctional residualEisenmengerSpontaneousChest wallComplianceVentilation2023Disease severityStaticMaximalNormalLesionsOxygenAdultInspiratory reservAnaerobicPredominantlyHigher lungBody plethysmographyAirwaysTotal lungThoraxCardiacExercise
Spirometry4
  • Inspired and expired lung volumes measured by spirometry are useful for detecting, characterising and quantifying the severity of lung disease. (ersjournals.com)
  • Pulmonary function lab deals with pulmonary physiology testing including Spirometry and lung volume measurements, diffusion capacity measurement, Broncho-provocation studies, cardio pulmonary exercise testing, capnometry and metabolic studies, arterial blood gas measurement and pulse oxymetry. (bguh.gov.lb)
  • A short history of spirometry and lung function tests . (tryphonov.ru)
  • Methods Stable adult patients with Eisenmenger syndrome (N = 32) were prospectively studied using spirometry, lung volumes, diffusion capacity, and blood gas analysis, as well as same day measurement of 6-minute walk distance and cardiopulmonary maximal treadmill exercise. (elsevierpure.com)
Journal of Applied Physiology2
European Respiratory Society1
  • 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)
Obstructive5
  • 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)
  • Pulmonary function test measurements are required for the diagnosis of obstructive lung disease and for assessment of the severity of disease. (medscape.com)
  • 2023. Repeatability of Pulmonary Quantitative Computed Tomography Measurements in Chronic Obstructive Pulmonary Disease. . (unc.edu)
  • 2022. Lung Microbiota and Metabolites Collectively Associate with Clinical Outcomes in Milder Stage Chronic Obstructive Pulmonary Disease. . (unc.edu)
  • 2019. A Genetic Risk Score Associated with Chronic Obstructive Pulmonary Disease Susceptibility and Lung Structure on Computed Tomography. . (unc.edu)
Tissue9
  • 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)
  • 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)
  • Lung tissue compliance (also usually cm H 2 O. (derangedphysiology.com)
  • That could change soon with the development of a computational lung model that can map a patient's unique tissue, identify damaged areas, and calculate strains placed on the lung microlevel tissues by different ventilator settings. (asme.org)
  • Now they have created a computational lung model that simulates the behavior of airflow and lung tissue. (asme.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)
  • Side effects caused by different drugs affecting the lung tissue are observed increasingly in different patient populations, however incidence and prevalence are poorly understood. (lu.se)
  • Lund University is one of the 21 sites within the consortium named TRISTAN (Translational Imaging in Drug Safety Assessment), that perform preclinical models and apply imaging techniques such as MRI, CT and PET to assess lesions in the lung tissue caused by drug administration. (lu.se)
Emphysema2
  • 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)
  • 2022. Forced Expiratory Flow at 25%-75% Links COPD Physiology to Emphysema and Disease Severity in the SPIROMICS Cohort. . (unc.edu)
Humans2
  • Consensus statement on measurements of lung volumes in humans , 2003, 189 pp. (tryphonov.ru)
  • These exercises emphasize the anatomy, physiology, ecology, and evolution of humans within their environment. (morton-pub.com)
Tidal volume4
Airway3
  • In respiratory physiology , you'll work with patients who have lung, chest wall, airway or blood oxygenation problems to understand the causes of their disorder and the response to and monitoring of treatment. (healthcareers.nhs.uk)
  • The Q-Box is the standalone body-box from COSMED for Gold Standard measurement of Static Lung Volumes (TLC, RV, TGV) and Airway Resistance and Conductance (RAW, GAW) through the body plethysmography technique. (cosmed.com)
  • In a recent review, Yoshida and colleagues advocated using airway pressure-release ventilation (APRV) to limit regional lung injury. (medscape.com)
Computed tomography2
  • Such techniques would avoid the use of painful biopsies or radiation exposure through computed tomography examinations while providing improved accuracy and detail in larger volumes. (lu.se)
  • Deep Learning Empowers Lung Cancer Screening Based on Mobile Low-Dose Computed Tomography in Resource-Constrained Sites. (cdc.gov)
Reduced Lung Function1
  • 2020. Plasma Cathelicidin is Independently Associated with Reduced Lung Function in COPD: Analysis of the Subpopulations and Intermediate Outcome Measures in COPD Study Cohort. . (unc.edu)
Expiratory5
  • The expiratory reserve volume (ERV) is the volume of gas that can be maximally exhaled from the end-expiratory level during tidal breathing ( i.e. from the FRC). (ersjournals.com)
  • To investigate the effect of shoulder-girdle loading on forced expiratory lung volumes in primary school children and to compare this effect with that of an assumed kyphotic posture. (nih.gov)
  • Forced expiratory volume in the first second (FEV1), forced vital capacity (FVC) and peak expiratory flow rate (PEF). (nih.gov)
  • The spirometric parameter, forced expiratory volume in 1 s/forced vital capacity (FEV 1 /FVC) ratio, was recorded in 80 medical students using spirometer RMS Helios 401. (ijhas.in)
  • They highlight the potential for injury when synchronizing machine with patient breaths, and note that high positive end-expiratory pressure and maximal recruitment will optimize fluid vs solid lung behavior (thus distributing positive and negative pressure changes evenly across the lung). (medscape.com)
Clinical5
  • Measurements of absolute lung volumes, residual volume (RV), functional residual capacity (FRC) and total lung capacity (TLC) are technically more challenging, which limits their use in clinical practice. (ersjournals.com)
  • The physiological basis and clinical significance of lung volume measurements. (derangedphysiology.com)
  • The fact that there are still no approved gene therapy products for the lung, despite many early phase clinical trials, illustrates the scale of the challenge: In the 1990s, first-generation non-viral and viral vector systems demonstrated proof-of-concept but low efficacy. (bvsalud.org)
  • Understanding expected lung mechanics and gas exchange may facilitate more appropriate clinical management. (elsevierpure.com)
  • 2021. Lung microbiota associations with clinical features of COPD in the SPIROMICS cohort. . (unc.edu)
Vital Capacity2
Capacities3
  • The purpose of this lab was to compare the lung capacities of six different individuals, within three different categories: smoker, athlete, and non-athlete. (ukessays.com)
  • This report in particular focuses on the specific lung volumes and capacities of an athlete and a non-athlete. (ukessays.com)
  • This study was performed show the difference in lung capacities among different people, in this case when exercise or aerobic activity is involved. (ukessays.com)
Alveolar6
  • We studied the sequential pattern of lung filing by measuring the slope of the alveolar plateau in single breath helium washouts after inhaling a bolus at a lung volume (VI) equivalent to 20. (nih.gov)
  • 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 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)
  • In patients with acute respiratory distress syndrome (ARDS), the lung comprises areas of aeration and areas of alveolar collapse, the latter producing intrapulmonary shunt and hypoxemia. (biomedcentral.com)
  • Lung diseases that cause abnormalities in alveolar gas exchange do not typically result in alveolar hypoventilation. (medscape.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)
Study of pulmonary1
  • This was followed in 1916 by a study of pulmonary statics, with measurements of pressure in the airways at various lung volumes. (wikipedia.org)
Acute lung i2
Patient's2
  • In the United States it is less expensive and easier to institute than volume controlled NIPPV and may be as efficacious as this mode if close surveillance and regular reevaluation of the patient's status is maintained. (omeka.net)
  • Using artificial intelligence and a CT scan of a patient's lungs, the model is a digital tool that can map an individual's lungs. (asme.org)
Decreases1
  • 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)
Biological1
  • however, most have been anecdotal in approach and few studies have used rigorous scientific methods for the measurement of biological outcomes. (reiki.org)
Physiological3
  • Nevertheless, in particular circumstances, measurements of lung volume are strictly necessary for a correct physiological diagnosis 1 . (ersjournals.com)
  • The mean arterial pressure ( MAP) is the best physiological estimate of perfusion pressure and is less subject to measurement variability than the systolic pressure. (medicosecuador.com)
  • This report summarizes current physiological and technical knowledge on esophageal pressure (Pes) measurements in patients receiving mechanical ventilation. (atsjournals.org)
COPD2
  • 2023. Changes in Lung Volumes with Spirometric Disease Progression in COPD. . (unc.edu)
  • Several SNPs in the SUMF1 gene are shown to be associated with COPD and impaired lung function. (lu.se)
Behavior2
  • Yoshida and colleagues documented the physiologic behavior of the injured lung. (medscape.com)
  • Results between conditions and catheters were compared to describe lung behavior. (medscape.com)
Cystic fibrosis1
  • We have recently shown that non-viral gene therapy can stabilise the decline of lung function in patients with cystic fibrosis (CF). However, the effect was modest, and more potent gene transfer agents are still required. (bvsalud.org)
Metabolism2
  • Does Tumor FDG-PET Avidity Represent Enhanced Glycolytic Metabolism in Non-Small Cell Lung Cancer? (elsevierpure.com)
  • Several reviews and reports present the advantages and limitations of the currently available algorithms and software for in silico modelling of the drug dissolution/bioavailability, oral absorption rate/fraction, volume of distribution, path- ways, affinities or rates of metabolism, renal excretion rate as well as affinity for specific transporters [3-20]. (cdc.gov)
Function21
  • Data were obtained through a questionnaire, pulmonary function testing and taking anthropometric measurements. (who.int)
  • Lung function and anthropometric measurements were correlated and regression equations were derived. (who.int)
  • In adults a positive correlation was found between lung function and height and a negative correlation with age. (who.int)
  • Gender and ethnic variations in Sudanese lung function were confirmed. (who.int)
  • In the for normal lung function measures taken from south Sudanese people case of respiratory parameters, predic- for adults and children of both sexes. (who.int)
  • In respiratory physiology and sleep sciences, you'll perform a wide range of routine and highly complex diagnostic tests to assess all aspects of lung function and assess sleep disorders by using a variety of non-invasive sleep measuring systems. (healthcareers.nhs.uk)
  • During normal ventilator function, breath occlusions are repeated at different volumes, with normal breaths in between. (derangedphysiology.com)
  • The effect of an overweight school bag on the child's lung function has not been reported. (nih.gov)
  • Reference values for lung function tests: I. Static volumes. (derangedphysiology.com)
  • We explored the relationship between lung function and gas exchange parameters with exercise capacity and survival. (elsevierpure.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)
  • 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)
  • 1997. Lung function and long term exposure to air pollutants in Switzerland. (cdc.gov)
  • Despite the limitations of peripheral blood pressure measurement, maintaining a reasonable value of arterial pressure is associated with signs of adequate organ function in most critically ill patients. (medicosecuador.com)
  • SUMF1 SNPs and advanced lung function characteristics. (lu.se)
  • A study of lung function parameters was made on 302 non-smoking healthy Iranian stu- dents(152maleand150female).Lungfunctionmeasurescorrelatedstronglywithheightbutnotwith body mass index. (who.int)
  • of assessing lung function. (who.int)
  • The function measurements were performed currently used reference values are those between 08:00 and 16:00 hours. (who.int)
  • Three Iranian studies of respiratory trained and certified technicians made all function are available, one from the northc measurements. (who.int)
  • Перинатальна фізіологія The transition from life in utero to life outside the womb involves multiple changes in physiology and function. (msdmanuals.com)
Functional residual1
Eisenmenger3
  • Background Eisenmenger physiology may contribute to abnormal pulmonary mechanics and gas exchange and thus impaired functional capacity. (elsevierpure.com)
  • They are more likely to be inoperable secondary to Eisenmenger physiology. (medscape.com)
  • The progression to Eisenmenger physiology is represented by a spectrum of morphologic changes in the capillary bed that progress from reversible lesions to irreversible ones. (medscape.com)
Spontaneous4
  • Physical properties of human lungs measured during spontaneous respiration. (derangedphysiology.com)
  • When the lung was healthy, the two catheters provided similar measurements irrespective of mode or spontaneous effort. (medscape.com)
  • When the lung was injured, differences occurred that were affected by presence of spontaneous effort but not by mode. (medscape.com)
  • Electrical impedance tomography in diseased lungs (animal or human) showed evidence of volume shift from nondependent to dependent areas of the lung (pendelluft) during spontaneous breaths. (medscape.com)
Chest wall1
  • Pes helps determine what fraction of Paw is applied to overcome lung and chest wall elastance. (atsjournals.org)
Compliance6
Ventilation4
  • During this time three additional subjects had to be switched to nasal mask intermittent positive pressure ventilation delivered by traditional volume cycled home ventilator (volume controlled NIPPV). (omeka.net)
  • Current protective lung ventilation strategies commonly involve hypercapnia. (biomedcentral.com)
  • Cite this: Evidence Lacking for Volume-Controlled Ventilation in Critical Care - Medscape - Mar 24, 2017. (medscape.com)
  • [ 6 ] A sudden drop in EtCO 2 without a change in ventilation status may herald a change in carbon dioxide return to the lungs as a consequence of pulmonary embolism (PE) or decreased cardiac output. (medscape.com)
20231
Disease severity1
  • 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)
Static1
Maximal3
  • RV refers to the volume of gas remaining in the lung after maximal exhalation (regardless of the lung volume at which exhalation was started). (ersjournals.com)
  • TLC refers to the volume of gas in the lungs after maximal inspiration, or the sum of all volume compartments. (ersjournals.com)
  • Les Soudanais d'origine arabe avaient une capacité vitale, un volume expiratoire maximal seconde et un débit expiratoire de pointe nettement supérieurs à ceux des Soudanais d'origine africaine. (who.int)
Normal7
  • Dynamic complianc e is defined as the change in volume divided by change in pressure, measured during normal breathing , between points of apparent zero flow at the beginning and end of inspiration. (derangedphysiology.com)
  • The lung volume and its subdivisions in normal men. (derangedphysiology.com)
  • Mechanisms determining residual volume of the lungs in normal subjects. (derangedphysiology.com)
  • The match of lung lesions in coregistered PET/CT images is better when acquiring the CT scan during normal expiration. (snmjournals.org)
  • The module will draw on the theory of normal respiratory, cardiac and renal physiology and will consider the pathophysiology of certain conditions. (southampton.ac.uk)
  • However, physiology helps our limited capacity: under normal circumstances, organ blood flow is maintained within normal range through ample changes of blood pressure through autoregulation . (medicosecuador.com)
  • The students were all medics and normal values appropriate for a particular paramedics taking part in physiology pracc racial or ethnic group is an integral part tical classes within the above time interval. (who.int)
Lesions3
  • The purpose of this study was to evaluate the accuracy of image coregistration of PET and CT (PET/CT) images in patients with lung lesions and the influence of the breathing protocol during CT. (snmjournals.org)
  • All lesions were classified according to 4 lung regions: apical, peripheral, central, and lung base. (snmjournals.org)
  • The aim of this study was to evaluate the accuracy of 3-dimensional PET/ CT image coregistration of pulmonary lesions in patients with non-small cell lung cancer (NSCLC). (snmjournals.org)
Oxygen2
  • Increased oxygen intake and lung usage allow the lungs to grow in strength and therefore can expand more readily and take in more air. (ukessays.com)
  • Preductal and postductal oxygen saturation measurements via pulse oximetry will often show a 10% or higher gradient difference, which is dependent on the magnitude of left-to-right shunting at the foramen ovale (with preductual saturations being higher). (medscape.com)
Adult1
  • The large cabin volume provides comfort and ease-to-access both for adult and special population. (cosmed.com)
Inspiratory reserv1
  • The inspiratory reserve volume is the maximum volume of gas that can be inhaled from the end-inspiratory level during tidal breathing. (ersjournals.com)
Anaerobic1
  • It was therefore hypothesized that due to their increased amount of aerobic or anaerobic activity, an athlete would exhibit greater lung volumes and have a significantly greater lung capacity than a non-athlete. (ukessays.com)
Predominantly1
  • We conclude that sequential filing and emptying of the lung has predominantly an intraregional basis. (nih.gov)
Higher lung1
  • Regardless of which type of activity a person participates in, in almost all cases athletes have a higher lung capacity than non-athletes simply because they use their lungs more. (ukessays.com)
Body plethysmography2
  • The term "lung volume" usually refers to the volume of gas within the lungs, as measured by body plethysmography, gas dilution or washout. (ersjournals.com)
  • 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)
Airways1
  • In 1915 he published an analysis of the flow of air in the human lung and its relationship to pressure, based on detailed measurements of the pulmonary airways. (wikipedia.org)
Total lung2
Thorax1
Cardiac2
  • As a member of healthcare science staff in respiratory physiology and sleep sciences, you're likely to work in a team that includes specialist nurses , doctors specialising in respiratory and/or sleep medicine , physiotherapists and other healthcare science staff, such as those specialising in cardiac sciences and neurophysiology . (healthcareers.nhs.uk)
  • Classical hemodynamic monitoring is based on the invasive measurement of systemic and pulmonary vascular pressures and of cardiac output. (medicosecuador.com)
Exercise2
  • Exercise is not just limited to increasing lung capacity however. (ukessays.com)
  • COSMED is proud to introduce K5, the 4th generation of the most popular wearable metabolic system, and a breakthrough in the field of exercise physiology and human performance assessment. (cosmed.com)