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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: Purpose, Results & How It Works

    A Holter monitor is a small device you wear to record electrical activity in your heart for 24 to 48 hours. It can help detect arrhythmias and unexplained dizziness.

  3. 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 …

  4. 24-Hour Holter Monitoring: Purpose, Procedure, and Results

    Aug 26, 2025 · A Holter monitor is a small, battery-powered medical device that measures your heart’s activity, such as rate and rhythm. While you wear the Holter monitor for 12 to 48 hours …

  5. 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 …

  6. 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.

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

    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 …

  8. What Is a Holter Monitor? Heart Monitoring Explained

    A Holter monitor is a compact, portable device designed to continuously record your heart’s electrical activity over an extended period, typically 24 to 48 hours.

  9. 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 …

  10. Holter and Event Monitors - Boston Children's Hospital

    A holter monitor is a device that performs a prolonged ECG test. Over the course of at least 24 hours, your child’s heart rate is continuously monitored to capture any abnormalities or …