Electrocardiogram (EKG)

An EKG (ECG) is a test that records the electrical activity of the heart. It helps doctors diagnose conditions like heart attacks, irregular heartbeats or other heart conditions. It can also be done to help assess the heart’s overall health. This test is commonly performed as part of routine heart check-ups, pre-surgical assessments, or when a patient experiences symptoms of heart disease. The results of an ECG can assist your healthcare team in diagnosing various conditions, including:

  • Arrhythmias, which are irregular heartbeats.
  • A current or previous myocardial infarction, commonly known as a heart attack.
  • An ECG may also be utilized to evaluate the effectiveness of treatments for heart disease and the functioning of pacemakers.

How does an EKG work?

An electrocardiogram (ECG or EKG) is one of the simplest and fastest tests used to evaluate the heart. Small, plastic patches called electrodes are put on at specific locations on the chest, arms, and legs. Electrodes are wired to an ECG machine through lead wires. The heart’s electrical activity is measured, translated, and then printed out. The test is quick, painless and commonly used in hospitals and clinics.

When do you need an EKG?

You may need an EKG if you are experiencing the following symptoms:

  • Chest pain.
  • Dizziness, lightheadedness or confusion.
  • Pounding, skipping or very fast heartbeat.
  • Fast pulse.
  • Shortness of breath.
  • Weakness or fatigue.
  • Reduced ability to exercise or any physical activity.

If you have a history of heart disease in your family, you may require an electrocardiogram to screen for a heart disease, even if you do not have any symptoms. American Heart Association recommends that ECG screening could be done for the general low risk population, even in the absence of symptoms.