Electrocardiogram (EKG, ECG): About This Test
What is it?
An electrocardiogram (EKG or ECG) is a test that checks for problems with the electrical activity of your heart. An EKG translates the heart's electrical activity into line tracings on paper.
Why is this test done?
You may need this test to check your heart's electrical activity. The test also can check the health of your heart. For example, it can help find the cause of unexplained chest pain or other symptoms of heart disease.
How can you prepare for the test?
What happens during the test?
What else should you know about the test?
How long does the test take?
What happens after the test?
When should you call for help?
Watch closely for changes in your health, and be sure to contact your doctor if you have any problems.
Follow-up care is a key part of your treatment and safety. Be sure to make and go to all appointments, and call your doctor if you are having problems. It's also a good idea to keep a list of the medicines you take. Ask your doctor when you can expect to have your test results.