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Photoplethysmographic (PPG) signals recorded from the human oesophagus

Moye, A. R., Kyriacou, P. A., Gregg, A., Jones, D. P. and Langford, R. M. (1999). Photoplethysmographic (PPG) signals recorded from the human oesophagus. British Journal of Anaesthesia, A-57,

Abstract

Background and Goal of study: Although a major advance in clinical monitoring, pulse oximetry may fail when peripheral perfusion is poor (1). Measurement of arterial oxygen saturation (SpO2) at the cricopharyngeus has been attempted in anaesthetised patients, but readings varied with the orientation of the probe (2), and suffered from signal failure (3). We have recorded PPG signals from the lower oesophagus to determine optimal recording depth and signal quality

Publication Type: Article
Subjects: R Medicine > R Medicine (General)
T Technology > TA Engineering (General). Civil engineering (General)
Departments: School of Mathematics, Computer Science & Engineering > Engineering
School of Mathematics, Computer Science & Engineering > Engineering > Electrical & Electronic Engineering
URI: http://openaccess.city.ac.uk/id/eprint/14766
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