Noun
Holter monitor (plural Holter monitors)
(medicine) A portable device for continuously monitoring the electrical activity of the heart, usually for 24 hours or more.
A Holter monitor is similar to a stress test, but it is worn for 1 or 2 days and provides a continual EKG-like recording of the heart's electrical activity during those days. Source: Internet
Physicians may obtain an electrocardiogram (ECG) or stress test, or recommend short-term monitoring with a cardiac event recorder or Holter monitor. Source: Internet
Holter monitor A Holter monitor records a continuous EKG rhythm pattern (rarely a full EKG) for 24 hours or more. Source: Internet