Design and Experiment of a Micro Electronic System for Prediction of Alveolar-Gas Partial Pressures

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In this study we have designed and fabricated an inexpensive micro electronic system that we call Alvitek. It can indirectly but accurately predict and display the partial pressures of alveolar oxygen and carbon dioxide for the patients in the ICU of a hospital. Alvitek consists of both hardware part and software part. Performance of the system is tested by animal experiment with pigs for various Fte2 and RR(Respiratory Rate) values under the mechanical ventilation. The predicted alveolar gas partial pressures are cprpared with the approximate alveolar oxygen partial pressures easily calculated by the physician’s bedside formula. As a result, we have concluded that the relative error of A-aDe2 calculated by the bedside formula grows seriously for lower Fte2 values. The present prediction method of Alvitek is henceforth believed very meaningful to the physicians. The system hardware and software are described in the text.
Publisher
대한의용생체공학회
Issue Date
2010-06
Language
Korean
Citation

의공학회지, v.31, no.3, pp.187 - 193

ISSN
1229-0807
URI
http://hdl.handle.net/10203/96438
Appears in Collection
AE-Journal Papers(저널논문)
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