electrocardiogram
Meaning of electrocardiogram: A recording of the heart’s electrical activity from electrodes on the skin.
Definition of electrocardiogram
An electrocardiogram is a noninvasive test that records the timing and strength of electrical signals traveling through the heart. It can help assess heart rate, rhythm, conduction, and patterns associated with several cardiac conditions.
Also known as
ECGEKGelectrocardiography
Used in a sentence
The electrocardiogram showed a regular sinus rhythm.
Good to know
The test is commonly abbreviated ECG or EKG; both abbreviations refer to the same procedure.
Word origin
Where “electrocardiogram” comes from
From electro-, “electric,” cardio-, “heart,” and -gram, “record.”