© 2003 BMJ Publishing Group, British Association for Accident & Emergency Medicine, & Faculty of Accident & Emergency Medicine
ORIGINAL ARTICLE
The PEP respiratory monitor: a validation study
1 Salford Royal Hospitals NHS Trust, Salford, UK
2 Royal Preston Hospital, Preston, UK
3 Royal Bolton Hospital, Bolton, UK
4 Faculty of Technology, Bolton Institute, Bolton, UK
Correspondence to:
Correspondence to:
Mr C Brookes, Salford Royal Hospitals NHS Trust, Stott Lane, Salford M6 8HD, UK;
sue.bruno{at}srht.nhs.uk
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.
Keywords: respiratory rate; monitoring; pyroelectric polymers
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