Diffusing capacity
Vertical Distributions of Pulmonary Diffusing Capacity and Capillary Blood Flow in Man
... residual capacity (FRC) during a slow inspiration from RV to total lung capacity ...exhalate, diffusing capacity and pulmonary capillary blood flow per liter of lung volume (D L /V A and Q C ...
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Lung diffusing capacity for nitric oxide and carbon monoxide in relation to morphological changes as assessed by computed tomography in patients with cystic fibrosis
... diffusing capacity. However, the results of studies focussing on the diffusing capacity for carbon monoxide (DL CO ) in CF are largely contradictory, as a spectrum of elevated, decreased, or ...
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Diffusing capacity and pulmonary capillary blood flow at hyperbaric pressures
... OXYGEN PREPARATORY LEVEL 2580 MM The pulmonary diffusing capacity DLCO in milliMEAN INTRACAPILLARY OXYGEN TENSION MM HG liters CO per minute X millimeters Hg de2000' 2500' I0001 creased [r] ...
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Functional Significance of a Low Pulmonary Diffusing Capacity for Carbon Monoxide
... Assuming that the mean difference between alveolar and capillary blood oxygen tension is Vo2/1.23 X DMCO, we corrected the first approximation to membrane diffusing capacity as follows: [r] ...
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THE DIFFUSING CAPACITY OF THE LUNGS IN PATIENTS WITH MITRAL STENOSIS STUDIED POST OPERATIVELY
... In the 6 patients for whom pre-operative studies at rest are reported, the diffusing capacity at rest was 24 per cent or less of the predicted normal maximal value.. Normal standards for[r] ...
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PULMONARY DIFFUSING CAPACITY AND ITS SUBDIVISIONS IN POLYCYTHEMIA VERA
... PCV = packed cell volume; VA = mean alveolar volume; DL = total pulmonary diffusing capacity when breathing air; DM = membrane diffusing capacity; Vc = pulmonary capillary blood volume; [r] ...
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Effective and Morphometric Oxygen Diffusing Capacity of the Gills of the Elasmobranch Scyliorhinus Stellaris
... Morphometric measurements of gill structures in Scyliorhinus stellaris of 2-18 and 2-53 kg body mass, used for calculations of morphometric O2 diffusing capacity Body mass kg 2-18 2-53 T[r] ...
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THE EFFECT OF CHANGES IN VENTILATION AND PULMONARY BLOOD FLOW ON THE DIFFUSING CAPACITY OF THE LUNG
... THE EFFECT OF MINUTE VENTILATION VTE AND PULMONARY BLOOD FLOW Q ON THE DIFFUSING CAPACITY OF THE LUNG FOR CARBON MONOXIDE DLco IN NoRMAL SUBJECTS AND IN PATIENTS WITH MITRAL STENOSIS, AT[r] ...
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Determination of Distribution of Diffusing Capacity in Relation to Blood Flow in the Human Lung
... They concluded that diffusion of 02 into the blood takes place from two functional compartments, namely one small compartment containing 2% of the diffusing capacity and receiving 14% of[r] ...
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STUDIES OF RESPIRATORY PHYSIOLOGY IN CHILDREN VI LUNG DIFFUSING CAPACITY, DIFFUSING CAPACITY OF THE PULMONARY MEMBRANE AND PULMONARY CAPILLARY BLOOD VOLUME IN CONGENITAL HEART DISEASE
... Studies of total lung diffusing capacity DLCo, diffusing capacity of the pulmonary membrane DM and pulmonary capillary blood volume V,, using the 10-second carbon monoxide technique, hav[r] ...
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Effect of lung inflation on pulmonary diffusing capacity at rest and exercise
... If the alveolar capillary surface is so optimally utilized during normal breathing and breath holding, diffusing capacity measured during normal breathing by the steady state methods sho[r] ...
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CARBON MONOXIDE UPTAKE AND PULMONARY DIFFUSING CAPACITY IN NORMAL SUBJECTS AT REST AND DURING EXERCISE
... CARBON MONOXIDE UPTAKE AND PULMONARY DIFFUSING CAPACITY IN NORMAL SUBJECTS AT REST AND DURING EXERCISE Giles F... CARBON MONOXIDE UPTAKE AND PULMONARY DIFFUSING CAPACITY IN NORMAL SUBJEC[r] ...
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Breakdown of lung framework and an increase in pores of Kohn as initial events of emphysema and a cause of reduction in diffusing capacity
... lower diffusing capacity reflects lung tissue loss as a result of breakdown and merging of framework structure and alveoli (observed as a decrease in the number of FUs without an alveolar wall in this ...
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Measurement of O2 diffusing capacity of the lungs with a stable O2 isotope
... in milliliters STPD per milliliter of tissue per standard atmosphere, PB is the barometric pressure in millimeters Hg, PH2O is the vapor pressure of water at body temperature in millimet[r] ...
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AN ANALYSIS OF FACTORS AFFECTING THE MEASUREMENT OF PULMONARY DIFFUSING CAPACITY BY THE SINGLE BREATH METHOD
... We noted that: a values for the single breath DL in any given case were always larger than those obtained by either the DLCO or DLO2 steady state methods 4; b certain patients with reduc[r] ...
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Maximal Diffusing Capacity of the Lung for Carbon Monoxide
... At rest the pulmonary capillary blood volumes of the patients with mitral stenosis were consistently above normal, presumably as a consequence of the higher capillary pressures in the pa[r] ...
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Loss of alveolar membrane diffusing capacity and pulmonary capillary blood volume in pulmonary arterial hypertension
... ing capacity for NO, but not CO, dropped due to the disproportionate loss of membrane diffusion, Dm, as compared to changes in the vascular bed available for gas exchange, ...
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THE MEASUREMENT OF THE PULMONARY DIFFUSING CAPACITY IN THE PRESENCE OF LUNG DISEASE
... It is reasonably certain that A steady state CO method in which the alveolar no overall number for the pulmonary diffusing CO was calculated from an assumed value of re- capacity which i[r] ...
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THE MEASUREMENT OF PULMONARY DIFFUSING CAPACITY FOR CARBON MONOXIDE BY A REBREATHING METHOD
... The DL calculated from this final phase of the CO curve approaches the true DL of the model most closely when both DL/VA and DL/VA are uniform Example 1, Table IV, but the variations fro[r] ...
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A STUDY OF THE MECHANISM BY WHICH EXERCISE INCREASES THE PULMONARY DIFFUSING CAPACITY FOR CARBON MONOXIDE
... Effect of a combination of albumin infusion with increased ventilation on the steady state DL To investigate the possibility that increased pulmonary vascular pressures could enhance the[r] ...
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