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A Comparative Study in the Use of Brachial Photoplethysmography and the QRS Complex as Timing References in Determination of Pulse Transit Time

Maguire, M. and Ward, T. and Markham, C. and O'Shea, D. and Kevin, L. (2001) A Comparative Study in the Use of Brachial Photoplethysmography and the QRS Complex as Timing References in Determination of Pulse Transit Time. In: 23rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, October 25-28 2001, Turkey.

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Abstract

For more than a century, there has been interest in pulse wave velocity and pulse transit time as a possible metric for blood pressure and other cardiovascular parameters. The most common approach in noninvash:e measurement of these metries has been to measure the time delay between the QRS complex on the electrocardiograph and the detection of the finger photoplethysmograph. This paper introduces a new technique for measuring the brachial photoplethysmograph and argues that this forms a better timing reference than the QRS complex.

Item Type: Conference or Workshop Item (Paper)
Keywords: Pulse wave velocity, pulse transit time, photoplethysmograph, blood pressure, arterial compliance, ECG.
Subjects: Science & Engineering > Electronic Engineering
Item ID: 1363
Depositing User: Dr Tomas Ward
Date Deposited: 13 May 2009 11:04
Refereed: Yes
URI:

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