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Definition of electrocardiogram noun from the Oxford Advanced Learner's Dictionary

electrocardiogram

noun

/ɪˌlektrəʊˈkɑːdiəʊɡræm/

/ɪˌlektrəʊˈkɑːrdiəʊɡræm/

(abbreviation ECG, North American English also EKG)

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a medical test that measures and records electrical activity of the heart

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See electrocardiogram in the Oxford Advanced American Dictionary

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