Lung volumes
Maximum static inspiratory and expiratory pressures with different lung volumes
... Average maximum pressure values for all of the female subjects tested appear in Table 2 and values for all of the male subjects appear in Table 3. Observations were grouped according to the lung volumes at ...
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Effect of body mass index on lung volumes
... Current lung function prediction equations utilize f body size like height, age, race and They do not take weight into account for most of the ...measured lung volumes might be smaller than predicted ...
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Lung volumes and lung volume recruitment in ARDS: a comparison between supine and prone position
... patients, lung volumes at ZEEP (FRC) and at PEEP (EELV) are typically decreased ...in lung recruitability, distribution and extension of lung volume alterations, differences in chest wall ...
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Breastfeeding, lung volumes and alveolar size at school-age
... of volumes with breastfeed- ing involves different lung compartments ...increased lung volumes might be explained by more alveoli or by larger alveoli due to structural differences or hyperin ...
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COMPARATIVE STUDY ON LUNG VOLUMES AND CAPACITIES BETWEEN YOGIC AND NON YOGIC POPULATION
... Yoga is a combination of art and science. Yoga was found to have many physiological effects especially on respiratory health. A Comparative study was done among 10 yogic and 10 non-yogic groups population to evaluate the ...
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Effect of obesity on lung volumes among adults
... Background: Obesity has long been recognized to have significant effect on respiratory functions. Many studies have reported exponential decrease in pulmonary function test (PFT) with increasing body mass index (BMI), ...
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Effect of Breathing on Exposed Lung Volumes and Doses in Patients with Breast Carcinoma Receiving Radiotherapy
... Because lung volumes vary with brea- thing and planning images taken during one particular moment of breath cycle such as expirium, inspirium, and these images do not represent whole breath ...of ...
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Application of a photogrammetric kinematic model for prediction of lung volumes in adolescents: a pilot study
... Prediction equations for respiratory values are found in the literature to establish pre- dicted values for variables such as FVC, FEV1 and FVC however, variability can reach up to 20% of the actual value, especially for ...
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Flow-Volume Relationship at Low Lung Volumes in Healthy Term Newborn Infants
... eight of nine infants studied (Fig. 6), which suggests flow limitation arising in peripheral airways at low lung volumes and!or decreased elastic recoil pressure. Hogg et al.’3 has shown[r] ...
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Automatic delineation of functional lung volumes with 68Ga-ventilation/perfusion PET/CT
... functional lung volumes and PFT parameters [7], suggesting signifi- cant potential in management of patients with pulmonary ...surgical lung volume reduction surgery [11, 12], and assessment of ...
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Effects of contrast material on computed tomographic measurements of lung volumes in patients with acute lung injury
... known volumes of water and albumin into a fixed spongy textured human lung phantom ...of lung tissue ...and lung parenchyma were opacified 30 s after injec- tion of contrast material, and CT ...
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Unilateral mechanical asymmetry: positional effects on lung volumes and transpulmonary pressure
... the lung progressively is lifted above the level of pleural fluid during tidal inflation, and asym- metrical chest expansion redistributes PLEF as airway pressure rises ...
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Lobar analysis of collapsibility indices to assess functional lung volumes in COPD patients
... normal lung units because these would already be well perfused, while subjects with basal emphysema could maintain DL CO /V A through the recruitment of underperfused disease-free lung units in the upper ...
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Indicator Dilution Measurements of Lung Volumes and Alveolar Air Exchange During Breathing
... Blood flow and tissue volumes were obtained by classical analysis of the indocyanine green and antipyrine concentration-time curves. A double exit-port, constant air flow model was used to analyze the xenon ...
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I. LUNG VOLUMES
... The functional residual capacity in relation to height (girls) on logarithmic scales. Points con- nected by a solid line are from the same subject[r] ...
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Lung Volumes in Diffuse Obstructive Pulmonary Syndromes
... minimal value for Vd of 67 cm 3 . Vd increased by an average value of 33 cm 3 per liter of lung volume above this value. The increase in FRC resulted from the increased volume of the poorly ventilated compartment ...
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LUNG VOLUMES OF NORMAL AND ASTHMATIC CHILDREN
... Valumes for total lung capacity (TLC) of Groups B and C, with regression lines for normal children. be to diminish the fuinctional residual capac-[r] ...
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The vulnerable small airway
... markedly increase the flow at most lung volumes and the lung volume at which flow of air and helium become equal is low; when small airways. contribute significantly to overall airway[r] ...
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Regional distribution of pulmonary ventilation and perfusion in elderly subjects
... measurements were made in the standing position. The static volume-pressure relation of the lungs was also measured in five of the subjects. The results indicate that by comparison with normal young men: (a) Blood flow ...
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Ventilatory mechanics and expiratory flow limitation during exercise in patients with obstructive lung disease
... The following data were obtained at rest: a static expiratory pressure-volume curve of the lung 17; b static lung volumes, including total lung capacity TLC by a modification of the meth[r] ...
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