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. Author manuscript; available in PMC: 2012 Mar 1.
Published in final edited form as: J Am Coll Cardiol. 2011 Mar 1;57(9):1081–1092. doi: 10.1016/j.jacc.2010.09.066

Figure 1. Transitions between organized and fragmented phases.

Figure 1

A. Posterior left atrial wall (PLAW) intracardiac recordings using a 20 electrodes spiral catheter. From left o right, transitions from organized to fragmented and back to organized electrograms. B. Ten consecutive electrograms were analyzed prior to fragmentation: last 7 organized electrograms (pre-fragmentation phase) and first 3 electrograms showing fragmentation (during-fragmentation phase). CFAE, complex fractionated atrial electrograms; CS, coronary sinus; HRA, high right atrium; SI, systolic interval.