Prematurity of an ectopy is determined by the intrinsic escape rhythm of the ectopic focus. For ventricular ectopy ... Figure 2: An ECG obtained from a beagle dog 21 days later, showing six ...

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 ...