A patient presents with these signs: a wounded finger that has turned black, crackly sound under the skin, and foul-smelling bubbly drainage in the area of the wound. what disease does this indicate?

Answer - Gas Gangrene

Gas gangrene is a potentially lethal form of tissue death. A patient with gas gangrene will present with blackening of the skin (due to necrosis), crackly sound under the skin (known as crepitation), and a foul-smelling bubbly drainage in the area of the wound.