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Emerg Med J 2003;20:326-328 doi:10.1136/emj.20.4.326
  • Original Article

The PEP respiratory monitor: a validation study

  1. C N Brookes1,
  2. J D Whittaker2,
  3. C Moulton3,
  4. D Dodds4
  1. 1Salford Royal Hospitals NHS Trust, Salford, UK
  2. 2Royal Preston Hospital, Preston, UK
  3. 3Royal Bolton Hospital, Bolton, UK
  4. 4Faculty of Technology, Bolton Institute, Bolton, UK
  1. Correspondence to:
 Mr C Brookes, Salford Royal Hospitals NHS Trust, Stott Lane, Salford M6 8HD, UK; 
 sue.bruno{at}srht.nhs.uk
  • Accepted 1 November 2002

Abstract

The search for a reliable and accurate respiratory rate monitor for use in non-intubated patients has proved to be a long and fruitless one. A new device fulfilling the criteria for such a monitor has recently been described. The pyroelectric polymer (PEP) device is safe, non-invasive, and cheap. In this study the PEP device, transthoracic impedance, and standard observer counting were all compared with the existing gold standard of capnography in 12 healthy adult volunteers. Using a standard statistical technique it was shown that the PEP device performed as well as a capnograph and was more accurate than the other currently available methods of monitoring respiratory rate.

Footnotes

    Responses to this article

    • Further large multi-specialty clinical trials are needed before accepting PEP monitor as a standard
      • Himanshu Sharma,
      • Rachna Sharma, B Rana and M Naik
      Emerg Med J published online August 6, 2003

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