EFFECT OF DEEP BREATH ON THE CORRELATION BETWEEN THE WRIST AND FINGER PHOTOPLETHYSMOGRAMS

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Keikhosravi Adib; Zahedi Edmond

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Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING
Year:2012 | Issue:19

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Title

EFFECT OF DEEP BREATH ON THE CORRELATION BETWEEN THE WRIST AND FINGER PHOTOPLETHYSMOGRAMS

Author(s)

Keikhosravi Adib | Zahedi Edmond

Keywords

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Abstract

IN THIS PAPER, A SPECIAL PROBE IS DESIGNED USING AN ARRAY OF PHOTODIODES AND A 960 NM LED FOR RECORDING THE WRIST PHOTOPLETHYSMOGRAM (PPG). THE DESIGN IS BASED ON MONTE-CARLO SIMULATION OF LIGHT PROPAGATION IN TISSUES. TWO SERIES OF EXPERIMENTS WERE CARRIED-OUT: NORMAL BREATHING AND DEEP BREATHING. IN BOTH EXPERIMENTS, FINGER AND WRIST PPG WERE SIMULTANEOUSLY RECORDED FROM THE INDEX FINGER. IN THE FIRST SERIES OF EXPERIMENT, SIGNALS FROM 9 SUBJECTS WERE RECORDED AND THE CORRELATION COEFFICIENT FOR THE RAW SIGNALS (AC+DC), THE AC AND DC COMPONENTS OF WRIST AND FINGER PPG WERE (62.5% ± 12.1%), (91.2% ± 6.9%) AND (61% ± 13.4%) RESPECTIVELY. IN THE SECOND SERIES OF EXPERIMENT (DEEP BREATHING), SIGNALS FROM 6 SUBJECTS WERE RECORDED AND THE CORRELATION COEFFICIENT FOR THE RAW SIGNALS (AC+DC), THE AC AND DC COMPONENTS WERE (89.7% ± 5.9%), (93.7% ± 3.3%) AND (89.9% ± 5.9%) RESPECTIVELY. THESE RESULTS SHOW THAT UNDER NORMAL BREATHING CONDITIONS, ONLY THE AC COMPONENTS OF THE PPG SIGNALS ARE HIGHLY CORRELATED. WHEN RESPIRATION BECOMES THE DOMINANT EFFECT, BOTH AC AND DC PARTS BECOME HIGHLY CORRELATED

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APA: Copy

Keikhosravi, Adib, & Zahedi, Edmond. (2012). EFFECT OF DEEP BREATH ON THE CORRELATION BETWEEN THE WRIST AND FINGER PHOTOPLETHYSMOGRAMS. IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. SID. https://sid.ir/paper/926085/en

Vancouver: Copy

Keikhosravi Adib, Zahedi Edmond. EFFECT OF DEEP BREATH ON THE CORRELATION BETWEEN THE WRIST AND FINGER PHOTOPLETHYSMOGRAMS. 2012. Available from: https://sid.ir/paper/926085/en

IEEE: Copy

Adib Keikhosravi, and Edmond Zahedi, “EFFECT OF DEEP BREATH ON THE CORRELATION BETWEEN THE WRIST AND FINGER PHOTOPLETHYSMOGRAMS,” presented at the IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. 2012, [Online]. Available: https://sid.ir/paper/926085/en

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