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  1. Electrocardiogram (ECG or EKG) - Mayo Clinic

    Apr 2, 2024 · Sticky patches called electrodes are placed on the chest and sometimes on the arms or legs. Wires connect the patches to a computer, which prints or displays results. An electrocardiogram (ECG or EKG) is a quick test to check the heartbeat. It records the electrical signals in the heart.

  2. 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] It is an electrogram of the heart which is a graph of voltage versus time of the electrical activity of the heart [5] using electrodes placed on the skin.

  3. 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 measures the electrical activity of the heartbeat. With each beat, an electrical wave travels through the heart.

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

    Feb 12, 2025 · 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 or to monitor how well a treatment is working.

  5. Understanding an ECG | ECG Interpretation - Geeky Medics

    Mar 5, 2011 · ECG is the abbreviated term for an electrocardiogram. It is used to record the electrical activity of the heart from different angles to both identify and locate pathology. Electrodes are placed on different parts of a patient’s limbs and …

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

    Feb 11, 2024 · 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 disease.

  7. In brief: What is an electrocardiogram (ECG)? - National Center …

    Jun 6, 2023 · Whether during routine examinations or heart diagnostics, many people have already had an electrocardiogram (ECG or EKG). But what does it actually measure, and what does the ECG curve show us? Our nerve and muscle cells communicate with each other using electrical and chemical signals.

  8. Electrocardiogram - StatPearls - NCBI Bookshelf

    Jun 5, 2023 · 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 of a patient suspected of having a cardiac-related problem.

  9. 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, arms, and legs. The electrodes are connected to an ECG machine by lead wires.

  10. Electrocardiogram (ECG) - NHS

    An ECG (electrocardiogram) is a test that records the electrical activity of your heart, including the rate and rhythm. It's usually quick and painless. Why an ECG (electrocardiogram) is done

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