Skip to main content
. Author manuscript; available in PMC: 2017 Jul 18.
Published in final edited form as: J Electrocardiol. 2017 Jan 15;50(3):307–315. doi: 10.1016/j.jelectrocard.2017.01.007

Figure 2. Methodology for Spatiotemporal Organizational Indices.

Figure 2

A. Orthogonal surface electrodes are used to measure activation (spatial) and rate (temporal) organization. B. Sliding correlation series at each ECG lead (and intra-cardiac electrode location) is measured. C. Correlation loops are generated for spatial organization; D. Spectral analysis shows regularity (narrow peaks, in AT). E. Higher spatial (top) and temporal (bottom) organization in AT (right) compared to AF (left). Width of the dominant frequency is greater for AF (i.e. less temporally organized) than for AT.