noun

electrocardiogram

electrocardiogram, EKG

The doctor ordered an electrocardiogram.

The doctor ordered an electrocardiogram.

Her ECG showed a normal heart rhythm.

Her EKG showed a normal heart rhythm.

((an)) electrocardiogram a test that measures the electrical activity of the heart The doctor ordered an electrocardiogram.

Synonyms: EKG, heart tracing

From 'electro-' (electricity) + 'cardio-' (heart) + '-gram' (a written record). It means a written record of the heart's electrical activity.

Break it down: 'electro' for electricity, 'cardio' for heart, and 'gram' for a diagram or record. The abbreviation EKG is very common in the US.

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