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  • 1
    Electronic Resource
    Electronic Resource
    Regional blood volume changes of the lungs in response to the vegetative nerves stimulation (1979)
    Springer
    Pflügers Archiv 382 (1979), S. 171-178 
    Details
    ISSN: 1432-2013
    Keywords: The regional lung electroplethysmography ; Vegetative nerves ; Stimulation ; Vasomotor reaction ; Gravitation factor
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Significant regional differences in the values of blood volume change response within one lobe of the lung upon the cervic sympathetic and parasympathetic nerves electrical stimulation have been demonstrated through the use of regional lung electroplethysmography method under the conditions of a minimal surical trauma in dogs, cats, and rabbits kept in a supine position. The vascular component of the reaction has been isolated. It consists in blood volume increase in the lungs during the vagus stimulation and blood volume decrease during the sympathetic nerves stimulation. This response is very well manifested in central portions of the lung lobes and decreases progressively in peripheral direction. Blood volume changes due to different body positions relative to the gravitation direction have been demonstrated. Mechanisms of regional differences in blood volume changes have been discussed. The gravitation factor has been suggested to be also responsible for the formation of the neurogenic vasomotoric reaction in lungs.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00584219
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Noninvasive determination of elastic properties and diameter of human limb arteries (1983)
    Springer
    Pflügers Archiv 396 (1983), S. 254-259 
    Details
    ISSN: 1432-2013
    Keywords: Oscillogram ; Elastic resistance ; Vessel ; Radius ; Pressure ; Boyle's law ; Noninvasive determination ; Age
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A method involving application of a standard cuff on human limbs has been developed making it possible by a single procedure to make a quantitative determination of blood pressure, elastic resistance of “uninfluenced” an mechanically relaxed arterial vessel walls, their bulk modulus and effective inner diameter. The method which is based on the “elasticity reservoir theory” involves recording arterial pressure recordings during periods of gradual compression and evaluation of the pulsatile blood volume increment under the cuff at the on step wise decompression. The reproducibility of the results and the errors involved were estimated by comparing the results with measurements made on a physical model and on human limbs. This paper presents some results of the application of the method to 113 healthy persons and shows the age dependence of the examined parameters in the upper arms and in the lower leg.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00587863
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    An electroplethysmograph for investigating regional lung function (1975)
    Springer
    Biomedical engineering 9 (1975), S. 177-180 
    Details
    ISSN: 1573-8256
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine , Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00561251
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Electroplethysmographic determination of the regional relative blood volume of the lungs (1978)
    Springer
    Bulletin of experimental biology and medicine 85 (1978), S. 109-112 
    Details
    ISSN: 1573-8221
    Keywords: lungs ; regional blood volume of the lungs ; electroplethysmography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract On the basis of a theoretical investigation of a biophysical model of the lung structure and subsequent experimental verification of the results, a method of calculating the regional relative blood volume of the lungs from the data of electroplethysmographic investigation of the lungs and the results of measurement of the specific electrical conductivity of the blood is suggested. Equations for calculating the regional relative blood volume of the lungs are derived and their working range is established so far as the use of the proposed method of calculation in clinical and physiological investigations of the lungs is concerned.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00801471
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Vasomotor efferent effects on the lungs (stimulation of the vagus nerve in rabbits) (1971)
    Springer
    Bulletin of experimental biology and medicine 72 (1971), S. 1361-1364 
    Details
    ISSN: 1573-8221
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00793120
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Regional neurovasomotor responses of the pulmonary circulation (1979)
    Springer
    Bulletin of experimental biology and medicine 88 (1979), S. 1242-1244 
    Details
    ISSN: 1573-8221
    Keywords: Lungs ; circulation ; regional differentiation ; neurogenic vasomotor responses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The blood volume and blood flow in the lungs with the body in the horizontal and vertical position and during stimulation of sympathetic and vagus nerves were studied by the method of regional electroplethysmography in experiments on anesthetized cats with an intact thorax. The hydrostatically more heavily loaded regions of the lungs were found to be more labile toward the action of a neurogenic stimulus, as was manifested by an increase in the parasympathetic vasomotor response of the basal regions and a decrease in the response of the apical regions with the body in a vertical position. The results suggest the existence of regionally differentiated mechanisms of vasomotor control in the pulmonary circulation, aimed at compensating for postural changes in the pulmonary hemodynamics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00835560
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  • 7
    Electronic Resource
    Electronic Resource
    Pulmonary hemodynamics and blood parameters in rats exposed to long-term high-altitude hypoxia (1989)
    Springer
    Bulletin of experimental biology and medicine 107 (1989), S. 595-598 
    Details
    ISSN: 1573-8221
    Keywords: transbronchial electroplethysmography ; catheterization ; pulmonary hypertension ; red blood ; high-altitude hypoxia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00841756
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Noninvasive quantitative evaluation of the characteristic impedance modulus of human limb arteries (1985)
    Springer
    Bulletin of experimental biology and medicine 100 (1985), S. 1305-1308 
    Details
    ISSN: 1573-8221
    Keywords: Large artery ; characteristic impedance modulus ; postural effects ; physical exertion ; vasoconstriction
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00837840
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  • 9
    Electronic Resource
    Electronic Resource
    Rheography of the stomach (1977)
    Springer
    Bulletin of experimental biology and medicine 84 (1977), S. 1060-1064 
    Details
    ISSN: 1573-8221
    Keywords: rheography ; stomach ; animals ; man ; sensitive probe
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract A practical method of rheography is suggested for studying the state of the human gastric circulation. The theoretical aspects of the use of a bipolar system of electrodes (external and internal) with essentially different sizes of contact surface are examined with respect to the stomach. A scheme and brief description of the simple apparatus are given. Control experiments were carried out on animals to confirm the validity of the basic assumptions. Mean values of some rheographic indices frequently used in clinical practice, based on rheograms of the stomach of 30 healthy subjects, are given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00798547
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Effect of posture on elastic properties of the arteries and hemodynamics of human limbs (1983)
    Springer
    Bulletin of experimental biology and medicine 95 (1983), S. 5-8 
    Details
    ISSN: 1573-8221
    Keywords: large arteries ; elasticity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00831209
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    Paper (German National Licenses)
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