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  1. Holter monitor - Mayo Clinic

    Apr 16, 2024 · A Holter monitor is a small, wearable device that continuously checks the heartbeat. It uses one or more sensors called electrodes and a recording device to measure …

  2. Holter Monitor - Northwestern Medicine

    A Holter monitor, also called a continuous electrocardiogram, continuous ECG or ambulatory ECG, is a small, portable electrocardiogram device that monitors your heart’s electrical activity …

  3. Holter Monitor - American Heart Association

    Feb 25, 2025 · A Holter monitor is a battery-powered device that records your heart’s activity for 24-48 hours or more. It is the size of a small camera and is worn on a strap around the …

  4. Holter monitor - Wikipedia

    In medicine, a Holter monitor (often simply Holter) is a type of ambulatory electrocardiography device, a portable device for cardiac monitoring (the monitoring of the electrical activity of the …

  5. 24-Hour Holter Monitoring: Purpose, Procedure, and Results

    Aug 26, 2025 · A Holter monitor is a portable device that tracks your heart rate and rhythm over 24 hours, providing your doctor with a more comprehensive picture of your heart health than a …

  6. Holter Monitor Test: Uses, Risks, Procedure, Results

    Oct 21, 2025 · A Holter monitor records heartbeats over 24-48 hours to detect irregular heart rhythms. You can't shower or bathe while wearing a Holter monitor, and you must keep a diary …

  7. Holter monitor and event monitor - Harvard Health

    Mar 22, 2025 · A Holter monitor is a portable EKG device that records your heart rhythm over time, outside the hospital or doctor's office.

  8. What Is a Holter Monitor? How It Helps Detect Heart Problems Early

    A Holter monitor is a medical device used to monitor your heart for unusual heart rhythms that may indicate a heart problem. You have to wear it for 1 to 2 days and return to your doctor, so …

  9. Holter monitor (24h): MedlinePlus Medical Encyclopedia

    May 27, 2024 · A Holter monitor is a machine that continuously records the heart's rhythms. The monitor is worn for 24 to 48 hours during normal activity.

  10. Holter Monitor - Medical Test | Stanford Health Care

    A holter monitor is a type of electrocardiogram (ECG/EKC) used to monitor heart rhythms over a period of 24 hours or longer.