A Holter device, also known as a Holter monitor, is a portable ECG (electrocardiogram) that continuously records the heart’s electrical activity over a period of 1 to 15Days. It’s often used to detect irregularities in heart rhythms that may not show up during a standard ECG in a doctor’s office.
A Holter device (or Holter monitor) is a portable, wearable device used to continuously monitor and record the electrical activity of the heart over an extended period, typically 1 to 15Days, though some devices can be worn for longer