An 80 y.o. female in a nursing home has an ulcer on the righ…

An 80 y.o. female in a nursing home has an ulcer on the right trochanter that measures 6.5 x 3.5 cm with 25% eschar and 75% loose, stringy, slough. There is moderate exudate from the wound and the periwound skin is intact without erythema or induration. Of the following, which is the most expeditious form of debridement in the management of this pressure injury?