A system for facilitating display of cardiac information, the system comprising: a display device configured to present a cardiac map; and a processing unit (120, 200) configured to: receive a plurality of sensed cardiac electrical signals; receive an indication of a measurement location corresponding to each sensed cardiac electrical signal of the plurality of sensed cardiac electrical signals; generate, based on the plurality of sensed cardiac electrical signals, the cardiac map, the cardiac map comprising a plurality of annotations representing a plurality of cardiac signal features, the plurality of cardiac signal features comprising at least one of: an activation time, a detected activation, a minimum voltage value, a maximum voltages value, a maximum negative time-derivative of voltage, an instantaneous potential, a voltage amplitude, a dominant frequency, and a peak-to-peak voltage; determine, from the plurality of cardiac signal features, a set of interesting cardiac signal features, the set of interesting cardiac signal features satisfying a classification criteria selected by a user; determine, based on the set of interesting cardiac signal features, a region of interest by connecting cardiac map portions corresponding to the interesting cardiac electrical features of the set of interesting electrical signal features; and facilitate display, via the display device, of the cardiac map and a representation of the region of interest, the representation of the region of interest comprising a first display parameter value that is different from a second display parameter value, wherein the second display parameter value is associated with at least one cardiac signal feature that is not included within the region of interest, the first display parameter and the second display parameter comprise at least one of: brightness, contrast, color saturation, and sharpness. a display device configured to present a cardiac map; and a processing unit (120, 200) configured to: receive a plurality of sensed cardiac electrical signals; receive an indication of a measurement location corresponding to each sensed cardiac electrical signal of the plurality of sensed cardiac electrical signals; generate, based on the plurality of sensed cardiac electrical signals, the cardiac map, the cardiac map comprising a plurality of annotations representing a plurality of cardiac signal features, the plurality of cardiac signal features comprising at least one of: an activation time, a detected activation, a minimum voltage value, a maximum voltages value, a maximum negative time-derivative of voltage, an instantaneous potential, a voltage amplitude, a dominant frequency, and a peak-to-peak voltage; determine, from the plurality of cardiac signal features, a set of interesting cardiac signal features, the set of interesting cardiac signal features satisfying a classification criteria selected by a user; determine, based on the set of interesting cardiac signal features, a region of interest by connecting cardiac map portions corresponding to the interesting cardiac electrical features of the set of interesting electrical signal features; and facilitate display, via the display device, of the cardiac map and a representation of the region of interest, the representation of the region of interest comprising a first display parameter value that is different from a second display parameter value, wherein the second display parameter value is associated with at least one cardiac signal feature that is not included within the region of interest, the first display parameter and the second display parameter comprise at least one of: brightness, contrast, color saturation, and sharpness. receive a plurality of sensed cardiac electrical signals; receive an indication of a measurement location corresponding to each sensed cardiac electrical signal of the plurality of sensed cardiac electrical signals; generate, based on the plurality of sensed cardiac electrical signals, the cardiac map, the cardiac map comprising a plurality of annotations representing a plurality of cardiac signal features, the plurality of cardiac signal features comprising at least one of: an activation time, a detected activation, a minimum voltage value, a maximum voltages value, a maximum negative time-derivative of voltage, an instantaneous potential, a voltage amplitude, a dominant frequency, and a peak-to-peak voltage; determine, from the plurality of cardiac signal features, a set of interesting cardiac signal features, the set of interesting cardiac signal features satisfying a classification criteria selected by a user; determine, based on the set of interesting cardiac signal features, a region of interest by connecting cardiac map portions corresponding to the interesting cardiac electrical features of the set of interesting electrical signal features; and facilitate display, via the display device, of the cardiac map and a representation of the region of interest, the representation of the region of interest comprising a first display parameter value that is different from a second display parameter value, wherein the second display parameter value is associated with at least one cardiac signal feature that is not included within the region of interest, the first display parameter and the second display parameter comprise at least one of: brightness, contrast, color saturation, and sharpness.