A Holter monitor is a small, wearable device that records the heart’s rhythm. It’s used to detect or determine the risk of irregular heartbeats (arrhythmias). Unlike a traditional electrocardiogram (ECG or EKG), which provides a snapshot of the heart’s activity, a Holter monitor continuously records the heart’s electrical signals over an extended period, typically 24 hours or longer. This … Continue reading What is Holter monitoring test?