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English definition of “electrocardiograph”

electrocardiograph

noun [C]     /ɪˌlek.trəˈkɑː.di.ə.ɡræf/ /-ɡrɑːf/ US  /-ˈkɑːrdi.ə.ɡræf/ (abbreviation ECG) specialized
a machine that records the electrical activity of the heart as it beatsMedical and surgical equipment
(Definition of electrocardiograph noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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