Comparison of electrophysiologic data across diverse cardiac geometries

The authors describe a method for generating one three-dimensional heart surface from digitized serial sections of a number of hearts. This allows a composite surface to be generated from the contours of successive slices of the hearts used in the laboratory. The electrophysiologic data gathered from all hearts can then be mapped onto the generated three-dimensional surface, allowing, for instance, the computation of average values of the measured variable at predetermined points on the standard surface. Thus by using the same geometric surface comparisons between different studies are made possible.< >