A system for performing a method in association with medical equipment in a medical procedure, the system comprising: A display a medical system for measuring at least one electrical signal in the medical procedure, the medical system including: a multiple-electrode catheter used in an ablation procedure and configured to simultaneously measure electrical heart signals at multiple points in a heart chamber; a memory module for recording the location of the multiple-electrode catheter during the medical procedure; and a processor configured to: render a depiction of the medical procedure on the display, wherein the rendering includes a rendering of a patient heart and the catheter; represent, on the display, at least one electrical heart signal measured via a given electrode (204, 205, 206) of the multiple-electrode catheter in conjunction with the rendering of the medical procedure; process the recorded location of the multiple electode catheter; depict, on the display, the value of the at least one electrical heart signal measured via the given electrode of the multiple-electrode catheter, wherein depicting the value comprises providing a signal graph of the at least one electrical heart signal; and provide an output to the display that correlates the given electrode and its position within the depicted medical procedure with the depicted signal graph measured at that location by the electrode. A display a medical system for measuring at least one electrical signal in the medical procedure, the medical system including: a multiple-electrode catheter used in an ablation procedure and configured to simultaneously measure electrical heart signals at multiple points in a heart chamber; a memory module for recording the location of the multiple-electrode catheter during the medical procedure; and a processor configured to: render a depiction of the medical procedure on the display, wherein the rendering includes a rendering of a patient heart and the catheter; represent, on the display, at least one electrical heart signal measured via a given electrode (204, 205, 206) of the multiple-electrode catheter in conjunction with the rendering of the medical procedure; process the recorded location of the multiple electode catheter; depict, on the display, the value of the at least one electrical heart signal measured via the given electrode of the multiple-electrode catheter, wherein depicting the value comprises providing a signal graph of the at least one electrical heart signal; and provide an output to the display that correlates the given electrode and its position within the depicted medical procedure with the depicted signal graph measured at that location by the electrode. a multiple-electrode catheter used in an ablation procedure and configured to simultaneously measure electrical heart signals at multiple points in a heart chamber; a memory module for recording the location of the multiple-electrode catheter during the medical procedure; and a processor configured to: render a depiction of the medical procedure on the display, wherein the rendering includes a rendering of a patient heart and the catheter; represent, on the display, at least one electrical heart signal measured via a given electrode (204, 205, 206) of the multiple-electrode catheter in conjunction with the rendering of the medical procedure; process the recorded location of the multiple electode catheter; depict, on the display, the value of the at least one electrical heart signal measured via the given electrode of the multiple-electrode catheter, wherein depicting the value comprises providing a signal graph of the at least one electrical heart signal; and provide an output to the display that correlates the given electrode and its position within the depicted medical procedure with the depicted signal graph measured at that location by the electrode. render a depiction of the medical procedure on the display, wherein the rendering includes a rendering of a patient heart and the catheter; represent, on the display, at least one electrical heart signal measured via a given electrode (204, 205, 206) of the multiple-electrode catheter in conjunction with the rendering of the medical procedure; process the recorded location of the multiple electode catheter; depict, on the display, the value of the at least one electrical heart signal measured via the given electrode of the multiple-electrode catheter, wherein depicting the value comprises providing a signal graph of the at least one electrical heart signal; and provide an output to the display that correlates the given electrode and its position within the depicted medical procedure with the depicted signal graph measured at that location by the electrode.