Mouth pressure curve on abrupt interruption of airflow during forced expiration.

@article{Ohya1988MouthPC,
  title={Mouth pressure curve on abrupt interruption of airflow during forced expiration.},
  author={Nobuo Ohya and Ji-jiang Huang and Tetsuo Fukunaga and Hirohisa Toga},
  journal={The Tohoku journal of experimental medicine},
  year={1988},
  volume={155 1},
  pages={103-4}
}
The mouth pressure curve after abrupt interruption during forced expiratory maneuver was investigated to evaluate the collapsing state of the airway downstream to the choke point. Immediately after the airflow interruption at the mouth by means of the electromagnetic valve, the mouth pressure suddenly increased (1st phase), followed by a slower rise (2nd phase) within about 100 msec until the pressure reaches the alveolar pressure. The pleural and alveolar pressures remained constant during… CONTINUE READING

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