electrocardiograph
noun [ C ] medical specialized uk/iˌlek.trəˈkɑː.di.ə.ɡrɑːf / /iˌlek.trəˈkɑː.di.ə.ɡræf/ us/iˌlek.trəˈkɑːrdi.ə.ɡræf/ (abbreviation ECG)
心电图仪
a machine that records the electrical activity of the heart as it beats
Compare: electrocardiogram
See also: cardiograph