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Respiratory function mechanics analyzers designed to assess the volume, airflow (i.e., diffusion and distribution of tracking gases), and derived parameters (e.g., airway compliance and resistance) through the respiratory tract of adults and older children (typically older than 12 years of age). These devices typically include a spirometer, a gas analyzer, and an electronic unit with computerized capabilities and appropriate software. Adult respiratory function mechanics analyzers can measure, in addition to diagnostic spirometer measurements, parameters such as functional residual capacity, diffusing capacity of the lungs for carbon monoxide, and airway resistance. The analyzers are intended to provide a baseline ventilatory function as well as identify respiratory impairments.
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