Inventors:
George Eastman - Pittsburgh PA
International Classification:
A61B 504
Abstract:
This disclosure relates to a method and specific apparatus for extracting significant data values, analogous temporally and electrically to the physiologic myocardial action potential which accompanies each cardiac contraction, from conventionally recorded electrocardiograms. The apparatus for measuring deflection and temporal values from said conventional electrocardiograms is comprises of three transparent elements. One of the elements constructed to be positioned over the electrocardiogram to be measured and has integral therewith a grid, while the two remaining elements are slideably positioned one over the other on the said positioned element such that their movement is at right angles to each other.