photoplethysmographyn.

Brit.

/ˌfəʊtəʊplɛθɪzˈmɒɡrəfi/, U.S.

/ˈˌfoʊdoʊˌplɛθɪzˈmɑɡrəfi/

Origin: Formed within English, by compounding. Etymons: photo- comb. form, plethysmography n.

Etymology: < photo- comb. form + plethysmography n., after photoplethysmographic adj. Compare French photopléthysmographie (1951 or earlier).

Medicine.

Measurement of blood flow or blood pressure by optical means (typically involving measurement of changes in the transmission or scattering of light created by blood flow in a part of the body).

ΚΠ

1962 Acta Physiologica et Pharmacologica Neerlandica 10 378 Photoplethysmography is a modification of plethysmography frequently used for clinical purposes.

1969 Israel Jrnl. Med. Sci. 5 534 (title) The application of photoplethysmography to the recording of Valsalva maneuver responses.

1989 Jrnl. Psychopharmacol. 3 190/1 Heart rate (photoplethysmography). A small photometric transducer was attached to the subject's finger.

2003 Jrnl. Neurol. Sci. 216 17 The second derivative of the fingertip photoplethysmography waveform..is now considered a useful tool for evaluating peripheral circulation.

This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022).

单词	photoplethysmography
释义	photoplethysmographyn. Brit. /ˌfəʊtəʊplɛθɪzˈmɒɡrəfi/, U.S. /ˈˌfoʊdoʊˌplɛθɪzˈmɑɡrəfi/ Origin: Formed within English, by compounding. Etymons: photo- comb. form, plethysmography n. Etymology: < photo- comb. form + plethysmography n., after photoplethysmographic adj. Compare French photopléthysmographie (1951 or earlier). Medicine. Measurement of blood flow or blood pressure by optical means (typically involving measurement of changes in the transmission or scattering of light created by blood flow in a part of the body). ΚΠ 1962 Acta Physiologica et Pharmacologica Neerlandica 10 378 Photoplethysmography is a modification of plethysmography frequently used for clinical purposes. 1969 Israel Jrnl. Med. Sci. 5 534 (title) The application of photoplethysmography to the recording of Valsalva maneuver responses. 1989 Jrnl. Psychopharmacol. 3 190/1 Heart rate (photoplethysmography). A small photometric transducer was attached to the subject's finger. 2003 Jrnl. Neurol. Sci. 216 17 The second derivative of the fingertip photoplethysmography waveform..is now considered a useful tool for evaluating peripheral circulation. This is a new entry (OED Third Edition, March 2006; most recently modified version published online March 2022). < n.1962
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