The purpose of this tool is to help you decide whether or not to have an electrocardiogram. When making a decision like this, you must balance:
This tool is not a substitute for professional medical care and advice. Work with your doctor to help you make this decision. A second opinion from another doctor may be valuable. There is usually no exact “right” or “wrong” answer.
Your physician may make certain recommendations to you. However, the final decision about whether to have this test rests with you.
What is the test?
An electrocardiogram (ECG or EKG) is a test that records the electrical activity of the heart.
ECG measures the rate and regularity of heartbeats as well as the size of the chambers, the presence of any damage to the heart, and the effects of drugs or devices used to regulate the heart (such as a pacemaker).
An ECG is very useful for determining if a person has heart disease. If a person has chest pain or palpitations, an ECG can help determine if the heart is beating normally. If a person is taking medications that may affect the heart or if the person has a pacemaker, an ECG can determine the immediate effects of changes in activity or medication levels. An ECG is not recommended as part of a routine examination except in special circumstances.
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