electrocardiograph
noun
elec·tro·car·dio·graph
i-ˌlek-trō-ˈkär-dē-ə-ˌgraf 
: 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
Before the Mingograph, electrocardiograph machines relied on a writing stylus to trace the waveform on a moving roll of paper.
—
IEEE Spectrum, 28 Aug. 2025
Doctors at the hospital gave Wirt various medications, used an electrocardiograph and other diagnostic and monitoring devices, and inserted stents into his arteries to improve blood flow to his heart.
—Arielle Zionts, Miami Herald, 30 May 2025
With the Apple Watch Series 4, Apple unveiled a full electrocardiograph feature to help monitor heart activity.
—Beth Mole, Ars Technica, 10 Sep. 2019
Some of the women had to interrupt their cycling test at submaximal workload, before being pushed to maximal capacity, mainly due to changes seen on an electrocardiograph or due to high blood pressure.
—Jacqueline Howard, CNN, 14 Mar. 2018
Why does the sequence of numbers in the above chart resemble the characteristic spiky, periodic pulsations of an electrocardiograph?
—Quanta Magazine, 25 Nov. 2015
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IEEE Spectrum, 28 Aug. 2025
Doctors at the hospital gave Wirt various medications, used an electrocardiograph and other diagnostic and monitoring devices, and inserted stents into his arteries to improve blood flow to his heart.
—Arielle Zionts, Miami Herald, 30 May 2025
With the Apple Watch Series 4, Apple unveiled a full electrocardiograph feature to help monitor heart activity.
—Beth Mole, Ars Technica, 10 Sep. 2019
Some of the women had to interrupt their cycling test at submaximal workload, before being pushed to maximal capacity, mainly due to changes seen on an electrocardiograph or due to high blood pressure.
—Jacqueline Howard, CNN, 14 Mar. 2018
Why does the sequence of numbers in the above chart resemble the characteristic spiky, periodic pulsations of an electrocardiograph?
—Quanta Magazine, 25 Nov. 2015
Cite this Entry
“Electrocardiograph.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/electrocardiograph. Accessed 29 Sep. 2025.
Copy CitationMedical Definition
electrocardiograph
noun
elec·tro·car·dio·graph
-ˌgraf
: an instrument for recording the changes of electrical potential occurring during the heartbeat used especially in diagnosing abnormalities of heart action
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