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Review
. 2012 Aug;8(3):215-9.
doi: 10.2174/157340312803217184.

Standard terminologies for photoplethysmogram signals

Mohamed Elgendi  1
Affiliations
Review

Standard terminologies for photoplethysmogram signals

Mohamed Elgendi. Curr Cardiol Rev. 2012 Aug.

Abstract

Photoplethysmography is one of the optical techniques has been developed for experimental use in vascular disease. It has several advantages over other traditional experimental approaches. Because of its non-invasive, safe, costeffective and easy-to-use properties, it is considered as a useful diagnostic tool. The further developments in the Photoplethysmograph may replace it among other tools used in the assessment of vascular diseases such as blood test and ultrasound. This overview discusses the different terminologies used for the photoplethysmograph and reveals the research discontinuity among different disciplines. Moreover, it suggests standard terminologies as a resolution for a confusion persisted for more than 50 years.

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Figures

Fig. (1)
Fig. (1)
Signal Measurements [5] (a) fingertip photoplethysmogram (b) second derivative wave of photoplethysmogram. The photoplethysmogram waveform consists of one systolic wave and one diastolic wave while the second derivative photoplethysmogram waveform consists of four systolic waves (a, b, c, and d waves) and one diastolic wave (e wave).
Fig. (2)
Fig. (2)
(a) the relationship between the photoplethysmogram terminologies (PPG”o”, PTG”+”, and DVP “*”) and the number of publications through years. (b) The relationship between the cumulative sum of PPG” solid curve”, PTG “dashed curve”, and DVP” dotted curve” terminologies with their number of publications. It is clear that the use of PPG is increasing exponentially over time.
Fig. (3)
Fig. (3)
(a) The relationship between the acceleration photoplethysmogram terminologies (APG”+” and SDPTG ”o”) and their number of publications through years. (b) The relationship between the cumulative sum of APG” solid curve” and SDPTG” dotted curve” terminologies with their number of publications. It is clear that the use of SDPTG is increasing exponentially over time.
Fig. (4)
Fig. (4)
(a) usage of PPG, PTG and DVP in engineering field (dotted blocks) and science (dashed blocks). (b) usage of APG and SDPTG in science field because the number of publications using APG and SDPTG in engineering field is very limited.
Fig. (5)
Fig. (5)
Overall terminologies published in English literature ”dashed line” while the”solid line” in Japanese literature. It is clear that PPG is the most used acronym for photoplethysmogram and APG is the most used acronym for the second derivative of the photoplethysmogram signal.
See this image and copyright information in PMC

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