Non-airtight pulmonary measuring device
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United States of America Patent
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-
Sep 9, 1980
Grant Date -
N/A
app pub date -
Jun 29, 1978
filing date -
Jun 29, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A non-airtight method for determining alveolar ventilation, oxygen uptake and carbon dioxide production which comprises introducing a known amount of an inert gas into the airway of a patient during inspiration and monitoring the expired gas until a steady state is reached wherein the volume of inert gas inhaled is equal to the amount exhaled and subsequently monitoring the expired air containing a known volume of inert gas for inert gas, carbon dioxide and oxygen concentrations.
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