electrocardiograph

noun

: an instrument for recording the changes of electrical potential occurring during the heartbeat used especially in diagnosing abnormalities of heart action

Examples of electrocardiograph in a Sentence

Recent Examples on the Web
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An electrocardiograph measures heart rate and heart-rate variability, and plethysmography sensors on the front and back of the shirt assess breathing rate and respiration volume by changes to the shape of the torso. IEEE Spectrum, 19 June 2014 With the Apple Watch Series 4, Apple unveiled a full electrocardiograph feature to help monitor heart activity. Beth Mole, Ars Technica, 10 Sep. 2019

Word History

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of electrocardiograph was in 1910

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Cite this Entry

“Electrocardiograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrocardiograph. Accessed 28 Mar. 2025.

Medical Definition

electrocardiograph

noun
elec·​tro·​car·​dio·​graph -ˌgraf How to pronounce electrocardiograph (audio)
: an instrument for recording the changes of electrical potential occurring during the heartbeat used especially in diagnosing abnormalities of heart action
electrocardiography noun
plural electrocardiographies

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