Sympathetically induced spontaneous fluctuations of the photoplethysmographic signal
β Scribed by B. Khanoka; Y. Slovik; D. Landau; M. Nitzan
- Publisher
- Springer
- Year
- 2004
- Tongue
- English
- Weight
- 660 KB
- Volume
- 42
- Category
- Article
- ISSN
- 1741-0444
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The photoplethysmqraphic signal (PPG) f ram f orearm skin and the ECG were recorded simultaneously from healthy subjects. The optical signal was &rived with a jibre-@tic probe which consisted of 61 j&-e pairs. The peak-to-peak averaged a.c.-signal was calculated. The dependency of this signal and th
Photoplethysmography (PPG) is a non-invasive electro-optical technique widely used in the monitoring of the pulsations associated with changes in blood volume in a peripheral vascular bed. The technique is based on the absorption properties of vascular tissue when it is transilluminated by light. Ph