electrocardiogram
🇺🇸
/ɪˌlektrəʊˈkɑːrdiəʊɡræm/
🇬🇧
/ɪˌlektrəʊˈkɑːdiəʊɡræm/
A test that tracks the heart's electrical signals to check for problems.
The doctor ordered an electrocardiogram to check the patient's heart function.