Which term is the instrument that records the electrical activity of the heart?

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Multiple Choice

Which term is the instrument that records the electrical activity of the heart?

Explanation:
An electrocardiogram records the heart's electrical activity. It uses sensors on the skin to detect the electrical impulses that happen with each heartbeat and turns them into a tracing. This tracing shows waves that help clinicians assess heart rhythm, rate, and how well electrical signals travel through the heart. The term electrocardiogram (ECG or EKG) specifically names the instrument that does this monitoring. The other terms refer to a stroke, a breathing flare-up, or a part of the body, not an instrument for measuring heart electricity.

An electrocardiogram records the heart's electrical activity. It uses sensors on the skin to detect the electrical impulses that happen with each heartbeat and turns them into a tracing. This tracing shows waves that help clinicians assess heart rhythm, rate, and how well electrical signals travel through the heart. The term electrocardiogram (ECG or EKG) specifically names the instrument that does this monitoring. The other terms refer to a stroke, a breathing flare-up, or a part of the body, not an instrument for measuring heart electricity.

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