Results 211 to 220 of about 222,812 (264)
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Clinics in Chest Medicine, 1989
Measurements of lung volume play an integral role in the laboratory evaluation of patients with known or suspected lung disease. Several techniques are available to measure absolute lung volumes (containing residual volume). It should be noted that these techniques measure different theoretical volumes and may produce different results in patients with
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Measurements of lung volume play an integral role in the laboratory evaluation of patients with known or suspected lung disease. Several techniques are available to measure absolute lung volumes (containing residual volume). It should be noted that these techniques measure different theoretical volumes and may produce different results in patients with
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Lung volume measurements in infants with and without chronic lung disease
European Journal of Pediatrics, 1998Infants born prematurely who develop chronic lung disease (CLD) have airways obstruction and hence may have low lung volume. The aim of this study was to test that hypothesis and ascertain whether the nature of the comparison control group influenced the results.
V, Kavvadia +3 more
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Electronic Integrator for Measurement of Partitions of the Lung Volume
Journal of Speech and Hearing Research, 1968An electronic integrator, for use with an airflow meter, was designed to overcome the disadvantages of respirometers when used for research in speech breathing physiology, such as the inherent inertia which may produce an undesirable impedance to the expiratory airstream.
J C, Hardy, T D, Edmonds
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Measurement of lung volume with 81Krm in a dynamic scintigram
Nuclear Medicine Communications, 1987The meaning of 81Krm counts obtained in a dynamic series of gated lung ventilation scans was evaluated in terms of flow rate, lung volume, or the flow/volume ratio. Flow and volume signals were recorded together with scintigraphic events in 29 subjects breathing 81Krm and after its decay, 127Xe as a tracer of lung volume.
L, Cinotti +6 more
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Acute lung injury monitored with radiolabelled transferrin and lung volume measurements
Acta Anaesthesiologica Scandinavica, 1989Anesthetized pigs (n= 12) were given oleic acid (OA) to induce acute lung injury. Three additional pigs were used as uninjured controls. Six of the animals were pretreated with terbutaline before OA infusion. 113mIn‐labeled transferrin and 99mTc‐labeled erythrocytes were used for tracing of extravascular plasma leakage.
T, Wetterberg +5 more
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Relationship between Exhaled Breath Condensate Volume and Measurements of Lung Volumes
Respiration, 2006<i>Background:</i> Exhaled breath condensate (EBC) is proving to be a technique which can sample markers of lung inflammation; however, many factors affect the collection process. <i>Objectives:</i> We hypothesised that lung volumes – tidal volume, minute volume and total lung capacity (TLC) – would dictate the volume of the EBC
Jia, Liu, Paul S, Thomas
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Measurement of lung fluid volumes and albumin exclusion in sheep
Journal of Applied Physiology, 1989A radioactive tracer technique was used to determine interstitial diethylenetriaminepentaacetic acid (DTPA) and albumin distribution volume in sheep lungs. 125I- and/or 131I-labeled albumin were injected intravenously and allowed to equilibrate for 24 h. 99mTc-labeled DTPA and 51Cr-labeled erythrocytes were injected and allowed to equilibrate (2 h and
N A, Pou +4 more
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Three‐dimensional sonographic volume measurement of the fetal lung
Journal of Obstetrics and Gynaecology Research, 2007AbstractAim: The objective of this longitudinal study was to evaluate the growth of the fetal lung in normal pregnancies, using 3‐D ultrasound.Methods: 3‐D sonographic examinations were performed on 14 appropriate‐for‐gestational‐age fetuses. Fetal lung volumes (left, right, and total lung volumes) were measured every 2–3 weeks from 20 weeks of ...
Toshiyuki, Hata +8 more
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Measurement of high lung volumes by nitrogen washout method
Journal of Applied Physiology, 1994Studies on human infants suggested that thoracic gas volume (TGV) measured at end exhalation may not depict the true TGV and may differ from TGV measured from a series of higher lung volumes and corrected for the volume added. This was explained by gas trapping.
Y, Sivan, J, Hammer, C J, Newth
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Measurement of Lung Volume and DLCO in Acute Respiratory Failure
American journal of respiratory and critical care medicine, 1994Abstract We have undertaken rebreathing measurements of functional residual capacity (FRC), carbon monoxide diffusing capacity (DLCO), and diffusing coefficient (KCO) during positive pressure ventilation in 15 patients with adult respiratory distress syndrome (ARDS). Measurements of oxygenation (PaO2:FIO2 ratio) and lung injury score (
P D, Macnaughton, T W, Evans
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