Why do ekg test

Detect non-heart conditions such as electrolyte imbalances and lung diseases. Monitor recovery from a heart attack, progression of heart disease, or the effectiveness of certain heart medications or a pacemaker.

Rule out hidden heart disease in patients about to undergo surgery. How do you prepare? What can you expect? An ECG is a non-invasive procedure, which means that nothing is injected into the body. It is painless. A number of electrodes — usually a total of 12 to 15 — are attached to various locations on your body including your arm, leg and chest.

The electrodes are attached by small suction cups or adhesive patches. It only records electricity. Your health care provider will check your EKG results for a consistent heartbeat and rhythm. If your results were not normal, it may mean you have one of the following disorders:. Both are correct and commonly used. EKG is based on the German spelling, elektrokardiogramm. The information on this site should not be used as a substitute for professional medical care or advice.

Contact a health care provider if you have questions about your health. What is an electrocardiogram EKG test? Other names: ECG test. What is it used for? These include: Irregular heartbeat known as arrhythmia Blocked arteries Heart damage Heart failure Heart attack. EKGs are often used in the ambulance, emergency room, or other hospital room to diagnose a suspected heart attack. Why do I need an EKG test? You may need an EKG test if you have symptoms of a heart disorder.

These include: Chest pain Rapid heartbeat Arrhythmia it may feel like your heart has skipped a beat or is fluttering Shortness of breath Dizziness Fatigue You may also need this test if you: Have had a heart attack or other heart problems in the past Have a family history of heart disease Are scheduled for surgery.

Your health care provider may want to check your heart health before the procedure. Have a pacemaker. The EKG can show how well the device is working. Risks associated with ECG are minimal and rare. You will not feel anything during the ECG, but it may be uncomfortable when the sticky electrodes are taken off. If the electrode patches are left on too long they may cause tissue breakdown or skin irritation.

There may be other risks depending on your specific medical condition. Be sure to discuss any concerns with your doctor before the test. Certain factors or conditions may interfere with or affect the results of the ECG. These include, but are not limited to:.

An electrocardiogram ECG may be done on an outpatient basis or as part of your hospital stay. Steps may vary depending on your condition and your doctor's practices.

You should be able to go back to your normal diet and activities, unless your doctor tells you differently. Tell your doctor if you develop any signs or symptoms you had before the ECG for example, chest pain, shortness of breath, dizziness, or fainting.

Your doctor may give you other instructions after the test, depending on your particular situation. If you have a new or existing heart problem, it's vital to see a doctor. Our heart health checklist can help you determine when to seek care. Health Home Treatments, Tests and Therapies. Why might I need an electrocardiogram? Some reasons for your doctor to request an electrocardiogram ECG include:.