One can examine the initiation and termination of tachycardia for clues as to ... ventricular contractions [PVCs], intermittent bundle branch block, or changes in cycle length).

The ECG findings show sinus tachycardia following the successful ... Chronic causes of STD include Bundle branch block, left ventricle hypertrophy (LVH), Wolff-Parkinson-White (WPW) syndrome ...

Twelve-lead ECG tracing during stress test shows the typical aspect of bidirectional ventricular tachycardia characterized by 180° alternating QRS axis on a beat-to-beat basis, with a right bundle ...

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A joint task force from the American College of Cardiology and American Heart Association published a set of guidelines in 1998, [33] based on currently available data to establish a uniform set ...