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10 - Neonatal monitoring

from 1 - Ventilation

Published online by Cambridge University Press:  05 August 2011

J. S. Gravenstein
Affiliation:
University of Florida
Michael B. Jaffe
Affiliation:
Philip Healthcare
Nikolaus Gravenstein
Affiliation:
University of Florida
David A. Paulus
Affiliation:
University of Florida
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Summary

The range of measurements for the CO2 fraction (FCO2) or the corresponding partial pressure (PCO2) in the breathing gas is identical in neonates and adults. The much lower amount of exhaled CO2 makes capnography in neonates more difficult, because there are objective limits for the size of the analyzer chamber or the magnitude of suction flow used with sidestream devices. For intraoperative monitoring, time-based capnography is commonly used, and the shape of the capnogram provides robust qualitative data and the PETCO2. In emergency medicine, critically ill infants often require tracheal intubation before transportation to the hospital. Capnography is a simple, non-invasive technique used to obtain information on alveolar ventilation and the deadspaces of the respiratory system. Compared with the more simple, time-based capnography, volumetric capnography measurements have a much higher informative potential, and enable the calculation of the different airway deadspaces.
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Capnography , pp. 80 - 95
Publisher: Cambridge University Press
Print publication year: 2011

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