Partial-thickness burns produce moist blisters with surrounding hyperemia. e —nding of hyperemia surrounding a burn is a useful —nding that suggests the injury occurred during life, unless death occurred very shortly a¤er the injury and vital reaction did not have time to develop. Skin slippage may also be apparent in partialthickness burns (Figure  6.1). Full-thickness burns show tissue coagulation and may be brown or black from charring (Figures 6.2 and 6.3).