Unrestrained Plethysmography

Unrestrained plethysmography is a non-invasive technique that requires little operator effort. However, specificity and sensitivity are comparatively poor, and the interpretation of the resulting Penh parameter remains unclear.

Interpretation of Penh

  • Unrestrained Plethysmography and Penh have recently come under serious criticism. Scientists currently using Unrestrained Plethysmography may wish to read these articles to find out more about the significance and limitations of Penh.
  • We would like to emphasize that the authors of the publications referenced above express their own professional opinions and are entirely independent of SCIREQ.

    • Parameters

    Abbr.ParameterDescription
    PenhEnhanced PausePenh is an empirical measurement that is influenced by a number of factors, including, but not limited to bronchoconstriction.