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  1. 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 chest, …

  2. 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 heartbeats, …

  3. Electrocardiography - Wikipedia

    Electrocardiography is the process of producing an electrocardiogram (ECG or EKG[a]), a recording of the heart's electrical activity through repeated cardiac cycles. [4]

  4. Electrocardiogram (EKG or ECG) Tests: Purpose & Types - WebMD

    Feb 11, 2024 · 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 heart...

  5. 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 …

  6. 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 …

  7. Electrocardiogram (EKG or ECG): Test & Results - Cleveland Clinic

    What is an EKG? An electrocardiogram (EKG or ECG) is a diagnostic tool that records your heart’s electrical activity. Healthcare providers use it for many reasons, like to diagnose heart rhythm issues …

  8. Electrocardiogram - StatPearls - NCBI Bookshelf

    An electrocardiogram (abbreviated as EKG or ECG) represents a recording of the heart's electrical activity. Willem Einthoven first invented it in 1902. An EKG is an integral part of the initial evaluation …

  9. Electrocardiogram (EKG) - Kaiser Permanente

    Oct 2, 2025 · An electrocardiogram (EKG or ECG) is a test that checks for problems with the electrical activity of your heart. An EKG shows the heart's electrical activity as line tracings on paper.

  10. Electrocardiogram - Penn Medicine

    May 8, 2024 · Definition An electrocardiogram (ECG) is a test that records the electrical activity of the heart.