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:.
To look for the cause of chest pain To evaluate problems which may be heart-related, such as severe tiredness, shortness of breath, dizziness, or fainting To identify irregular heartbeats To help determine the overall health of the heart before procedures such as surgery; or after treatment for conditions such as a heart attack myocardial infarction, or MI , endocarditis inflammation or infection of one or more of the heart valves ; or after heart surgery or cardiac catheterization To see how an implanted pacemaker is working To determine how well certain heart medicines are working To get a baseline tracing of the heart's function during a physical exam; this may be used as a comparison with future ECGs, to determine if there have been any changes There may be other reasons for your doctor to recommend an ECG.
Use the risk assessment test atwww. These tests are proven to help measure your risk of having heart disease. Blood pressure. You should be tested at least once a year using a blood-pressure cuff.
If you have been diagnosed with high blood pressure or other related conditions , your health care provider will recommend that your blood pressure be checked more often. Be sure to ask your health care provider how often you should have your blood pressure checked. You should have a blood test for cholesterol if you are a male and over 40, female and over 50 or post-menopausal, you have heart disease, stroke, diabetes or high blood pressure, your waist measures more than cm 40 in for men or 88 cm 35 in for women, you have a family history of heart disease or stroke.
Your health care provider can advise how often you should have your cholesterol tested. Blood sugar. Too much glucose can harm your blood vessels. If you have risk factors for diabetes or are pregnant, your blood sugar levels should be tested. When you go for an ECG test, you will need to remove your upper clothing so that electrodes can be attached to your chest and limbs.
Underwire in a bra can interfere with the ECG reading — you may be asked to remove it before the test. An ECG works best when the skin is clean and dry, and free of oils and lotions. The selected sites are shaved if necessary because hair prevents the electrodes from making proper contact with the skin.
Electrodes sensors are attached to the chest, arms and legs or sticky gel. These electrodes detect the electrical currents generated by the heart — these are measured and recorded by the electrocardiograph. When the procedure is completed, the electrodes are removed. An ECG is completely painless and non-invasive, as the skin is not penetrated. The doctor can interpret the results of your ECG straight away based on your medical history, symptoms and clinical examination.
The ECG is a safe procedure with no known risks. It does not send electric current to the body. Some people may be allergic or sensitive to the electrodes, which can cause local skin reddening. After an ECG you can resume normal activities immediately. A person with heart disease may have a normal ECG result if the condition does not cause a disturbance in the electrical activity of the heart. Other diagnostic methods may be recommended if heart disease is suspected.
Talk to your doctor about the right treatment for your heart condition and how to self-manage in the community. This page has been produced in consultation with and approved by:. Allergy testing is used to find which substances provoke an allergic reaction.
Aortic stenosis may be congenital present from before birth , but is often diagnosed during teenage years. Barium tests are used to examine conditions of the digestive tract such as reflux, narrowing or ulceration. Barmah Forest virus BFV disease can cause joint inflammation and pain, fatigue and a rash of variable appearance.
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