As with the quiz described above, twenty questions are presented, then a graded report is available. Includes EKG practice tracings and assessment tips. When it occurs, the coordinated contraction of the ventricles is replaced rapid, chaotic electrical signals. directory of arrhythmias is also provided. Top scores and mean scores are also provided. No P-wave, QRS complex or T-wave can be seen. It is a frequent cause of sudden cardiac death. 2002 Mar 2;324(7336):535-8. Review. This quiz draws its questions from a library of over 300 EKGs, allowing users to take the quiz multiple times. About
Ventricular fibrillation (VF) is the the most important shockable cardiac arrest rhythm.