Respiratory Dead Space
STUDIES IN MAN OF THE VOLUME OF THE RESPIRATORY DEAD SPACE AND THE COMPOSITION OF THE ALVEOLAR GAS
... Clinical value of the iso-saturation method This method makes possible the determination of the volume of the respiratory dead non-gas exchanging space, the composition of alveolar gas a[r] ...
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LUNG FUNCTION STUDIES V RESPIRATORY DEAD SPACE IN OLD AGE AND IN PULMONARY EMPHYSEMA
... The conclusion that the dead space/tidal volume fraction during breathing of air by patients with emphysema is not greater than normal must be tempered by the fact that three of the 12 s[r] ...
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The Respiratory Dead Space Measured by Single Breath Analysis of Oxygen, Carbon Dioxide, Nitrogen or Helium
... Since the 02 and CO2 concentrations in the expired breath, expressed as fractions of their extrapolated 'plateau' values, are the same as the N2 concentration Figure 4, we have concluded[r] ...
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PULMONARY FUNCTION IN CYSTIC FIBROSIS OF THE PANCREAS
... ---physiologic dea(l space --respiratory dead space calculated from Bohr equation using arterial carbon dioxide tension,. and corrected for apparatus dead space.[r] ...
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WOUND HEALING POTENTIAL OF PYRAZOLE DERIVATIVE
... Results indicated that while dexamethasone significantly impaired the healing process (as observed in all three wound models when compared with vehicle treatment), the Pyrazole derivative also affect the normal healing. ...
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Dual Inverter Control Strategy for Open Ended Winding Motor Drive Applications
... flow two isolated dc sources are utilized for traditionaldual inverter topology, expanding the size and weight of the system. In this paper a dual two- level inverter is displayed which lessens the size and weight of the ...
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Anatomic Dead Space Washout and Flow Effects during Breathing with Nasal High Flow Therapy
... Simulations by CFD can be performed to determine flow characteristics which cannot be measured in vivo; however, these simulations are computationally expensive and as such are often restricted to steady state analysis ...
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Effects of Pulmonary Vascular Congestion on Postural Changes in the Perfusion and Filling of the Pulmonary Vascular Bed
... The present investigation was undertaken to determine a whether the normal postural changes in physiologic dead space and diffusing capacity are present in patients in whom the pulmonary[r] ...
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A high-flow nasal cannula system with relatively low flow effectively washes out CO2 from the anatomical dead space in a sophisticated respiratory model made by a 3D printer
... these respiratory physiological effects demonstrated in our study would be combined in clinical ...the respiratory physiological condition would vary by patient, and each respiratory effect of HFNC ...
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The Place of the Neanderthal Dead: Multiple burial sites and mortuary space in the Middle Palaeolithic of Eurasia
... La Ferrassie, Amud and Shanidar appear to be mortuary spaces, while Krapina is clearly associated with mortuary practices. However, multiple burials are not identified there. Interestingly, Krapina is by far the earliest ...
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Nonlocal effects in thin 4H-SiC UV avalanche photodiodes
... the dead space in 4H-SiC is soft. Although dead space is important, pure hole injection is still required to ensure low excess noise in thin 4H-SiC APDs owing to ratios that remain large, even ...
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Dead space and CO2 elimination related to pattern of inspiratory gas delivery in ARDS patients
... and respiratory alkalosis ...of dead-space reduction. By addressing all means for dead-space reduction, in combination with much higher respiratory rates and much lower tidal ...
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Can dead space fraction predict the length of mechanical ventilation in exacerbated COPD patients?
... In this study the aim was to calculate the DSF and to demonstrate whether this parameter can be useful in deter- mining the prognosis and the optimal time for weaning. We found a good and significant correlation between ...
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Modelling mixing within the dead space of the lung improves predictions of functional residual capacity
... fixed dead space volumes (π π· , π π , π π
, π π,1 or π π,2 ), the initial end-expired alveolar volume (π π΄ , ), the pulmonary blood flow (πΜ π ) and the fixed mixed venous return concentration (πΆ π£Μ
), with ...
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Evaluation of Wound Healing Effect of A Polyherbal Formulation by Different Cutaneous Wound Models
... wound space to colonize the provisional matrix, proliferation of fibroblasts and vascular cells, apoptosis, and synthesis of extracellular matrix proteins to reconstitute dermal ...wound space leading to ...
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EFFECT OF DAPSONE ON WOUND HEALING
... In dead space wound studies dapsone treated groups significantly increased the granuloma dry weight, granuloma breaking strength and collagen content asindicated by hydroxyproline ...
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Biochemical Analysis of Granulation Tissue in Steroid and Centella Asiatica (Linn) Treated Rats
... Dead space wound β The wounding procedures were carried out using ketamine (1ml/kg body weight) anaesthetized rats. These wounds were created by implanting two polypropylene tubes (0.5cm X 2.5cm each), one ...
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Morel-lavallee lesion in children
... [30]. It is therefore mandatory to combine percutaneous drainage with sclerotherapy. In patients with acute lesions with underlying open fractures and in those with chronic lesions with evidence of infection or tissue ...
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Expiratory flow rate, breath hold and anatomic dead space influence electronic nose ability to detect lung cancer
... and acetone [38,44] concentrations and the inclusion of anatomic dead space may affect acetone levels [27]. Hence, it was not surprising that these factors altered βbreathprintsβ significantly in the ...
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Vol 2, No 2 (2013)
... For continuous measurements (FIA), the flow cell used for detection of camylofin was designed with a constant geometry and minimum βdeadβ space to accommodate small sensor size to avoid large dispersion of ...
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