Diagnostic

Electrocardiography (ECG)

What Is It?

A painless process that records the heart’s electrical activity. Small metal electrodes are placed on the person’s wrists, ankles and chest. The electrical signals travel from the electrodes through wires to the ECG machine, which transforms the signals into patterns or waves. The result showing the heart rate, rhythm and its condition. It is a painless, non-invasive way to help diagnose many common heart problems in people of all ages.

What is it Used For?

This diagnosis can be used to evaluate someone with chest pain, people who may be having a heart attack and those suspected of having coronary artery disease or a cardiac arrhythmia. It also can help to diagnose an inflammation of the membrane around the heart (pericarditis), a blood clot blocking blood flow in a lung (pulmonary embolism), abnormal blood levels of potassium or calcium or overdoses of certain medications.

Sometimes used as part of a regular physical examination or as a screening test in people at high risk of heart problems, including people with high blood pressure (hypertension), high cholesterol, diabetes, a strong family history of heart problems and people who smoke. Sometimes it will indicate that a person has coronary artery disease even if there are no symptoms.

Why we need to do ECG?

These steps can help protect your heart whether you have heart disease or just want to prevent it.

Know your risks

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.

Lower your risks

To lower your risk of heart disease, you may need an electrocardiogram test if you experience any of the following signs and symptoms:

  • Heart palpitations
  • Rapid pulse
  • Chest pain
  • Shortness of breath
  • Dizziness, lightheadedness or confusion
  • Weakness, fatigue or a decline in ability to exercise
Contacts
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