photoplethysmogram
FOH-toh-pleh-THIZ-muh-gram
Definition
An optical measurement technique used to detect blood volume changes in the microvascular bed of tissue, often used to monitor heart rate and pulse variability.
How do you pronounce photoplethysmogram?
Photoplethysmogram is pronounced FOH-toh-pleh-THIZ-muh-gram (IPA: //ˌfoʊtoʊplɛθˈɪzməˌɡræm//).
Where does photoplethysmogram come from?
Derived from the Greek 'photo' (light), 'plethysm' (increase or fullness), and 'gram' (a record), referring to an instrument that records the varying fullness of blood in body parts using light.
In the news
The article mentions that photoplethysmogram data was collected from participants to analyze heart rate variability and assess the autonomic nervous system's response to dynamic movement.
Biofeedback with heart sounds following a traumatic event
Read the full article ↗Frontiers
Related words
Words with related meanings from the news.
In the same story
Other words from the same article in Frontiers.