Electrocardiogram (ECG or EKG) - Mayo Clinic
Apr 2, 2024 · An electrocardiogram (ECG or EKG) is a quick test to check the heartbeat. It records the electrical signals in the heart. Test results can help diagnose heart attacks and irregular …
Electrocardiogram - Johns Hopkins Medicine
An electrocardiogram (ECG or EKG) 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 …
Electrocardiogram (EKG or ECG) Tests: Purpose & Types - WebMD
Jan 22, 2026 · What Is an Electrocardiogram? An electrocardiogram, also called an ECG or EKG, is a simple and painless test that measures the electrical impulses of your heart to check for signs of …
Electrocardiography - Wikipedia
Electrocardiography is the process of using an electrocardiograph (a device) to produce an electrocardiogram (a recording, often called an ECG or EKG[a]) that shows a line graph of the …
Electrocardiogram (EKG or ECG Test) - Cleveland Clinic
An electrocardiogram (EKG or ECG) is a quick, noninvasive test that records your heart’s electrical activity. Healthcare providers use it for many reasons, such as to diagnose heart rhythm issues or to …
Electrocardiogram (EKG) - American Heart Association
Feb 24, 2025 · An electrocardiogram is a test that measures electrical waves in the heart. An EKG is used to diagnose many heart conditions, including heart attack. What is an electrocardiogram? An …
Electrocardiogram (EKG or ECG): Procedure and Results
Dec 25, 2025 · An electrocardiogram (ECG or EKG) records the heart's electrical activity to find heart problems. There are three types of ECGs: resting ECG, ambulatory monitoring, and cardiac stress …
Electrocardiogram: MedlinePlus Medical Test
What is an electrocardiogram (EKG) test? An electrocardiogram (EKG) test is a simple, painless, and quick test that records your heart's electrical activity. Each time your heart beats, an electrical signal …
In brief: What is an electrocardiogram (ECG)? - InformedHealth.org ...
The way that these signals spread through the heart can also be measured on the surface of our skin. An ECG measures these changes in electrical signals (or, in fact, voltage) on different areas of skin …
Electrocardiogram (EKG) - Harvard Health
Mar 24, 2023 · An electrocardiogram (EKG) is a painless process that records the heart's electrical activity. Small metal electrodes are placed on the person's wrists, ankles and chest.