ECG aberrancy means the heartbeat does not follow the usual conduction system of the heart. Atrial fibrillation with ECG aberrancy means people have an irregular heart rhythm with abnormal conduction.

A doctor may refer to an electrocardiogram as an “ECG” or “EKG.” It uses electrodes to measure the electrical activity of the heart. This can help medical professionals detect heart abnormalities, ...

An EKG can detect disruptions in the heart’s electrical activity, potentially indicating damage from a past heart attack, but it is most accurate when used with other tests. While an EKG can help ...

An abnormal EKG result can be a shock to the system. Dr. Samir Saba, co-director of the UPMC Heart and Vascular Institute and chief of the Division of Cardiology at the University of Pittsburgh School ...