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A “wound” is defined as any alteration in skin integrity as a result of a trauma (e.g. skin tear, burns, lacerations, abrasions, etc.), pressure injuries, altered vascular perfusion, incontinence associated dermatitis (IAD) requiring nursing interventions and dressing care, including application of topical creams (e.g. Triad, Critic-Aid Clear, etc.) Pressure injury: See Appendix 1 for Pressure Injury Staging and Definitions (NPUAP 2016)  Sinus Tract or Tunneling: a path of tissue destruction, or “dead space”, occurring in any direction from the surface of the wound.  This has a potential for abscess formation (refer to image 1 for Tunneling and Undermining) Undermining: A portion of tissue destruction occurring under intact skin along the periphery of the wound margins.  Distinct from sinus tracts and tunneling as it affects a larger portion of the wound edge.  With undermining, the base of the wound is larger than what is visible on the surface - commonly seen with shear injuries (refer to image 1 for Tunneling and Undermining).