A medical system, comprising: a display; a control unit in communication with the display, the control unit programmed to: receive a monophasic action potential signal of an anatomical region, characterized in that the control unit is further programmed to: receive three-dimensional location information associated with the monophasic action potential signal; receive an electrocardiogram signal; calculate a value corresponding to a depolarization segment of the monophasic action potential signal based upon at least one from the group consisting of: a calculation of a time duration; a calculation of an upstroke velocity; a calculation of a maximum amplitude value; and a calculation of a time duration for the monophasic action potential signal to recede to a predetermined percentage of the maximum amplitude value; generate an image of the anatomical region based on the three-dimensional location information and the calculated value; and compare at least one of a timing and a waveform of the monophasic action potential signal to at least one of a P-wave segment, a QRS complex, and T-wave segment of the electrocardiogram signal and assess the quality of the monophasic action potential signal based on the comparison. a display; a control unit in communication with the display, the control unit programmed to: receive a monophasic action potential signal of an anatomical region, characterized in that the control unit is further programmed to: receive three-dimensional location information associated with the monophasic action potential signal; receive an electrocardiogram signal; calculate a value corresponding to a depolarization segment of the monophasic action potential signal based upon at least one from the group consisting of: a calculation of a time duration; a calculation of an upstroke velocity; a calculation of a maximum amplitude value; and a calculation of a time duration for the monophasic action potential signal to recede to a predetermined percentage of the maximum amplitude value; generate an image of the anatomical region based on the three-dimensional location information and the calculated value; and compare at least one of a timing and a waveform of the monophasic action potential signal to at least one of a P-wave segment, a QRS complex, and T-wave segment of the electrocardiogram signal and assess the quality of the monophasic action potential signal based on the comparison. receive a monophasic action potential signal of an anatomical region, characterized in that the control unit is further programmed to: receive three-dimensional location information associated with the monophasic action potential signal; receive an electrocardiogram signal; calculate a value corresponding to a depolarization segment of the monophasic action potential signal based upon at least one from the group consisting of: a calculation of a time duration; a calculation of an upstroke velocity; a calculation of a maximum amplitude value; and a calculation of a time duration for the monophasic action potential signal to recede to a predetermined percentage of the maximum amplitude value; generate an image of the anatomical region based on the three-dimensional location information and the calculated value; and compare at least one of a timing and a waveform of the monophasic action potential signal to at least one of a P-wave segment, a QRS complex, and T-wave segment of the electrocardiogram signal and assess the quality of the monophasic action potential signal based on the comparison. a calculation of a time duration; a calculation of an upstroke velocity; a calculation of a maximum amplitude value; and a calculation of a time duration for the monophasic action potential signal to recede to a predetermined percentage of the maximum amplitude value; generate an image of the anatomical region based on the three-dimensional location information and the calculated value; and compare at least one of a timing and a waveform of the monophasic action potential signal to at least one of a P-wave segment, a QRS complex, and T-wave segment of the electrocardiogram signal and assess the quality of the monophasic action potential signal based on the comparison.