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 the heart's activity. The device is typically worn for a day or more during daily activities.
Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
Check out these best-sellers and special offers on books and newsletters from Mayo Clinic Press.
Your gift can go twice as far to advance cancer research and care!