The first ECG strip below shows a P wave with sinus morphology, thus normal sinus rhythm. If the P wave has a morphology different from the typical sinus morphology, it is termed ectopic ...

A junctional rhythm occurs when the electrical activation of the heart originates near or within the atrioventricular node, rather than from the sinoatrial node. Because the normal ventricular ...

The results of your EKG will show the pattern of your heart's electrical activity. Normal results, also known as "normal ...

The human heart beats 80,000-120,000 times a day. Long-term ECGs record every heartbeat, and the recording is then ...

This ECG 'variant ... often called 'normal variants', that can occur in perfectly normal individuals. SCD is most often due to an extremely rapid and uncoordinated cardiac rhythm disorder called ...

They are characterized by premature, wider-than-normal ... Figure 2: An ECG obtained from a beagle dog 21 days later, showing six rhythm strips simultaneously (leads I, II, III, aVR, aVL and ...