FIELD: medicine.
SUBSTANCE: impedance pneumography and spirometry are carries out. Impedance pneumography data expressed in Ohms or in Volts are calibrated by spirometry data expressed in litres. Spirometry takes, at least, two stages, the first - in the beginning of impedance pneumography, last - in the end of impedance pneumography. Each of specified stages is performed by 6-12 inhalations and exhalations through lung-tester at respiratory frequency within 24-32 per 1 minute. Value of respiratory volume lies within limits 0.9 - 1.1 litres. Spirometry data is obtained by summation of respiratory amplitudes and division of the result into number of inhalations and exhalations respectively.
EFFECT: increased efficiency and accuracy of external respiration biotelemetry under natural life conditions.
2 dwg
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Authors
Dates
2008-07-20—Published
2007-02-16—Filed