Why is ecg test done

An electrocardiogram ECG is one of the simplest and fastest tests used to evaluate the heart. Electrodes small, plastic patches that stick to the skin are placed at certain spots on the chest, arms, and legs. The electrodes are connected to an ECG machine by lead wires. The electrical activity of the heart is then measured, interpreted, and printed out. No electricity is sent into the body.

Natural electrical impulses coordinate contractions of the different parts of the heart to keep blood flowing the way it should. An ECG records these impulses to show how fast the heart is beating, the rhythm of the heart beats steady or irregular , and the strength and timing of the electrical impulses as they move through the different parts of the heart. Changes in an ECG can be a sign of many heart-related conditions. An electrocardiogram ECG is a quick, easy way to assess the heart's function.

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. An ECG measures and records the electrical activity that passes through the heart.

A doctor can determine if this electrical activity is normal or irregular. An ECG may be recommended if you are experiencing arrhythmia , chest pain , or palpitations and an abnormal ECG result can be a signal of a number of different heart conditions.

You do not have to restrict what you eat or drink before your ECG, although it is recommended that you not smoke just before the test. You will be asked to remove your jewelry and wear a hospital gown. If you require more detailed information, check with the facility where you are having your exam.

Learn more about an exercise electrocardiogram. How a healthy heart works. Donate now. Talk to your health care provider. Your risk of heart disease depends on many things, such as your age, sex, ethnicity, cholesterol, blood pressure, and if you smoke or have diabetes.

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.