Figure 16 j

A. Shown are rate histograms demonstrating seven episodes of atrial fibrillation lasting from a few minutes to an episode lasting over an hour. B. This graphic demonstrates the beat-to-beat rate just before onset of the atrial tachyarrhythmia, after 200 beats, and just after termination of the arrhythmia. 69 mm Later. A snapshot of the stored intraatrial electrograms (A-EGM5) confirms atrial fibrillation as the mechanism

Mitrani,R.D. and others,Cardiac Pacemakers,Hurst's The Heart,10th edition,Vol.1,pp.963-992