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. Author manuscript; available in PMC: 2008 Aug 18.
Published in final edited form as: Heart Rhythm. 2008 Jan 29;5(6 Suppl):S22–S25. doi: 10.1016/j.hrthm.2008.01.030

Figure 1. Fractionated Electrograms may indicate Wavelet Collision or Far Field Signals, as validated from monophasic action potentials.

Figure 1

This far-field signal or noise may cause overestimation of the spectral DF (bottom left), that is avoided using time domain autocorrelation (reproduced from reference (24) with permission).