electrocardiogram
/ɪˌlɛktroʊˈkɑrdioʊˌɡræm/
noun
- A test that records the electrical activity of the heart over time, often shown as a graph or printout.
- After feeling chest pain, she had an electrocardiogram at the hospital.
- The doctor ordered an electrocardiogram to check for heart problems.
- The electrocardiogram showed a normal heart rhythm.