Impulse oscillometry.

@article{Desai2019ImpulseO,
  title={Impulse oscillometry.},
  author={U. Desai and J. Joshi},
  journal={Advances in respiratory medicine},
  year={2019},
  volume={87 4},
  pages={
          235-238
        }
}
Pulmonary function testing involves a battery of tests from the simple pulse oximetry to the cardiopulmonary exercise testing. Impulse oscillometry (IOS) is one of the newly described pulmonary function tests. It is based on the old principle of forced oscillatory technique modified and refined as per research and advances. It involves the use of sound waves during normal tidal breathing, which gives information on oscillatory pressure-flow relationships and eventually resistance and reactance… Expand
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