EKG / Electrocardiogram

What Is an EKG?

An EKG (electrocardiogram) is a simple, painless test that records the electrical signals in your heart. Small sensors called electrodes are placed on your chest, arms, and legs to pick up the tiny electrical impulses that make your heart beat. The test takes about 5 to 10 minutes and gives your doctor a detailed picture of how your heart’s electrical system is working.

Why Is It Done?

Your doctor may order an EKG if you’re experiencing chest pain, shortness of breath, dizziness, or a racing or irregular heartbeat. It can detect signs of a previous heart attack, abnormal heart rhythms, and other heart conditions. An EKG is also commonly used as a routine screening during checkups, especially if you have risk factors for heart disease.

What to Expect

You’ll lie down on an exam table while a technician places small adhesive patches on your skin. These patches are connected by wires to the EKG machine. You’ll need to lie still and breathe normally for about one minute while the machine records. The test is completely painless. You won’t feel anything at all.

How to Prepare

No special preparation is needed. Wear comfortable clothing that allows easy access to your chest, wrists, and ankles. Avoid applying lotions or oils to your skin before the test, as they can interfere with the electrode patches. Continue taking your regular medications unless your doctor tells you otherwise.