An apparatus for identifying damaged tissue, said apparatus comprising: an apparatus body comprising two apparatus body elements (186A and 186B); a first sensor and a second sensor, each comprising a first electrode and a second electrode, wherein said first sensor and said second sensor are disposed on different apparatus body elements of the two apparatus body elements (186A and 186B) respectively, wherein said first sensor and said second sensor are aligned with respect to the two apparatus body elements (186A and 186B) to achieve a desired relative orientation at a separation distance, and wherein said first sensor and said second sensor are disposed on the two apparatus body elements (186A and 186B) to allow simultaneous positioning of said first sensor on a first location on a patient's skin and said second sensor on a second location on said patient's skin, wherein said second location is bisymmetric relative to said first location; a hinge disposed between the two apparatus body elements (186A and 186B) configured such that the separation distance between said first sensor and said second sensor may be varied; a circuit electronically coupled to said first electrodes and said second electrodes and configured to measure a first electrical property between said first and second electrodes (110, 120) of said first sensor and to measure a second electrical property between said first and second electrodes (110, 120) of said second sensor and provide information regarding said first and second electrical properties; a processor electronically coupled to said circuit and configured to receive said information; and a non-transitory computer-readable medium electronically coupled to said processor and comprising instructions stored thereon that, when executed on said processor, perform the steps of: converting said first electrical property into a first sub-epidermal moisture value and said second electrical property into a second SEM value, and determining a difference between said first SEM value and said second SEM value. an apparatus body comprising two apparatus body elements (186A and 186B); a first sensor and a second sensor, each comprising a first electrode and a second electrode, wherein said first sensor and said second sensor are disposed on different apparatus body elements of the two apparatus body elements (186A and 186B) respectively, wherein said first sensor and said second sensor are aligned with respect to the two apparatus body elements (186A and 186B) to achieve a desired relative orientation at a separation distance, and wherein said first sensor and said second sensor are disposed on the two apparatus body elements (186A and 186B) to allow simultaneous positioning of said first sensor on a first location on a patient's skin and said second sensor on a second location on said patient's skin, wherein said second location is bisymmetric relative to said first location; wherein said first sensor and said second sensor are disposed on different apparatus body elements of the two apparatus body elements (186A and 186B) respectively, wherein said first sensor and said second sensor are aligned with respect to the two apparatus body elements (186A and 186B) to achieve a desired relative orientation at a separation distance, and wherein said first sensor and said second sensor are disposed on the two apparatus body elements (186A and 186B) to allow simultaneous positioning of said first sensor on a first location on a patient's skin and said second sensor on a second location on said patient's skin, wherein said second location is bisymmetric relative to said first location; a hinge disposed between the two apparatus body elements (186A and 186B) configured such that the separation distance between said first sensor and said second sensor may be varied; a circuit electronically coupled to said first electrodes and said second electrodes and configured to measure a first electrical property between said first and second electrodes (110, 120) of said first sensor and to measure a second electrical property between said first and second electrodes (110, 120) of said second sensor and provide information regarding said first and second electrical properties; a processor electronically coupled to said circuit and configured to receive said information; and a non-transitory computer-readable medium electronically coupled to said processor and comprising instructions stored thereon that, when executed on said processor, perform the steps of: converting said first electrical property into a first sub-epidermal moisture value and said second electrical property into a second SEM value, and determining a difference between said first SEM value and said second SEM value. converting said first electrical property into a first sub-epidermal moisture value and said second electrical property into a second SEM value, and determining a difference between said first SEM value and said second SEM value.