Finally, the electricity resets (represented by the T and U waves), so this normal sinus rhythm (NSR) can begin again. A full 12-lead ECG looks at this electrical activity from multiple viewpoints.

If you're scheduled to have an electrocardiogram (EKG), you may wonder what to expect. Here, we break down what you need to know about an EKG test, including: What is an EKG? What does an EKG show?

Therefore, this is a normal sinus rhythm with atrial bigeminy. ... Cite this: ECG Challenge: Her Annual Physical Is Normal, Except the ECG - Medscape - Apr 01, 2019. Authors and Disclosures.

Sinus rhythm (a.k.a. normal sinus rhythm) refers to the normal heart beat originating from the sinoatrial node. This is manifested as an upright P wave in lead II of the ECG. Sinus bradycardia ...