What type of rhythm would be present if abnormal impulses are ignored?

In electrocardiography, junctional dysrythmias in the QRS complexes are usually normal unless a presence of an intraventricular conduction defect, abberancy or preexcitation is being detected. Moreover, it has different types of rhythms, one of which is the UNDERLYING RHYTHM described as the heart rhythm that would be found present if the abnormal impulses were ignored or removed from the tracing.