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A Simple Apparatus for Measurement of Pressure Volume Relationship in Respiration

A Simple Apparatus for Measurement of Pressure Volume Relationship in Respiration OVE I. NISELL AND LENNART S. G. EHRNZR. From the JJedkal Service the Labwutury of Clilzical Physiology, Se-rJimerlasarettet, Stockholm, Sweden HE MECHANICS of breathing can be studied by means of the simultaneous registration of the breathing pressure and the tidal volume. Employing this method, Wirz (I) recorded the pleural pressure against the tidal volume in rabbits. The same principle has been used during artificial ventilation of animals (2, 3) as well as of man (4). The respiratory pressure volume diagram during spontaneous respiration has been recorded on the screen of a cathode-ray oscilloscope by DuBois and Ross (5) in dogs, and by Mead and Whittenberger (6) and McIlroy, Marshall and Christie (7) in man, Buytendijk (8) introduced a practical technique for the study of the mechanics of human breathing, utilizing a comparison of esophageal pressure with lung volume, Although the intraesophageal pressure is slightly greater than the intrapleural pressure, its respiratory fluctuations are an exact reflection of the variations in the pleural pressure (9). The relationship of the tidal volume to the intraesophageal pressure in man has been established by the use of such electronic apparatus as the air-flow meter (6, 7), The apparatus to be described differs http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Physiology The American Physiological Society

A Simple Apparatus for Measurement of Pressure Volume Relationship in Respiration

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Publisher
The American Physiological Society
Copyright
Copyright © 1956 the American Physiological Society
ISSN
8750-7587
eISSN
1522-1601
Publisher site
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Abstract

OVE I. NISELL AND LENNART S. G. EHRNZR. From the JJedkal Service the Labwutury of Clilzical Physiology, Se-rJimerlasarettet, Stockholm, Sweden HE MECHANICS of breathing can be studied by means of the simultaneous registration of the breathing pressure and the tidal volume. Employing this method, Wirz (I) recorded the pleural pressure against the tidal volume in rabbits. The same principle has been used during artificial ventilation of animals (2, 3) as well as of man (4). The respiratory pressure volume diagram during spontaneous respiration has been recorded on the screen of a cathode-ray oscilloscope by DuBois and Ross (5) in dogs, and by Mead and Whittenberger (6) and McIlroy, Marshall and Christie (7) in man, Buytendijk (8) introduced a practical technique for the study of the mechanics of human breathing, utilizing a comparison of esophageal pressure with lung volume, Although the intraesophageal pressure is slightly greater than the intrapleural pressure, its respiratory fluctuations are an exact reflection of the variations in the pleural pressure (9). The relationship of the tidal volume to the intraesophageal pressure in man has been established by the use of such electronic apparatus as the air-flow meter (6, 7), The apparatus to be described differs

Journal

Journal of Applied Physiology – The American Physiological Society

Published: Mar 1, 1956

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