Why is this procedure done?
This test looks at your hearts electrical activity. It is known as an electrocardiogram. It is also known as an EKG or ECG. It gives the doctors details about your heart. To understand this test, it helps to understand how the heart works. ‚
Your heart has an electrical system that controls each heartbeat. The signal starts at the top of the heart and moves to the bottom. This signal tells your heart to squeeze and pump blood. The signal repeats with each heartbeat. ‚
Doctors look at the heartbeat and how regular it is. They also look at how strong the heart is and the timing of the heartbeats. This test helps your doctor learn about your heart and any problems you may have. They may be looking for: ‚
- A heart attack
- Irregular beating of the heart
- Weakening of the heart
- Problems with the salts in the body such as potassium or magnesium
- Problems such as certain drug overdoses
What will the results be?
The results will help your doctor understand if you have a problem with your heart. Together you can make a plan for further care. ‚
What happens before the procedure?
Talk to your doctor about all the drugs you are taking. Be sure to include all prescription and over-the-counter (OTC) drugs, and herbal supplements. Tell the doctor about any drug allergy. Bring a list of drugs you take with you. Some drugs may affect the test results. ‚
What happens during the procedure?
- You will be asked to lie on a bed.
- The technician will attach small, sticky patches on your arms, legs, and chest. These are called electrodes. If you have a lot of body hair in these areas, the technician may have to shave it.
- The electrodes are connected to a machine. It records your hearts electric signals. These are printed on paper for the doctor to see. They may also be seen on a small screen.
- You may be asked to hold your breath for a few seconds during the test.
- This test does not hurt. It takes about 10 minutes.
What happens after the procedure?
- The technician will take off the electrodes.
- You may go home after the procedure.
What care is needed at home?
- Ask your doctor what you need to do when you go home. Make sure you understand everything the doctor says. This way you will know what you need to do.
- You may go back to your normal activities.
- You may wash your chest with soap and warm water to remove the material left from the electrodes.
What follow-up care is needed?
Your doctor may ask you to make visits to the office to check on your progress. Be sure to keep these visits. Ask your doctor when you will talk about the test results. ‚
What problems could happen?
Rashes may develop on the area where the electrodes were attached. ‚
Where can I learn more?
National Heart Lung and Blood Institute ‚
http://www.nhlbi.nih.gov/health/health-topics/topics/ekg/ ‚
Consumer Information Use and Disclaimer
This information is not specific medical advice and does not replace information you receive from your health care provider. This is only a brief summary of general information. It does NOT include all information about conditions, illnesses, injuries, tests, procedures, treatments, therapies, discharge instructions or life-style choices that may apply to you. You must talk with your health care provider for complete information about your health and treatment options. This information should not be used to decide whether or not to accept your health care providers advice, instructions or recommendations. Only your health care provider has the knowledge and training to provide advice that is right for you. ‚
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Copyright ‚ © 2015 Clinical Drug Information, LLC and Lexi-Comp, Inc. ‚