Most common cause of acquired AV fistula is: (A) Bacterial infection, (B) Fungal infection, (C) Blunt trauma, (D) Penetrating trauma
Answer is D. . Ans : (d) Penetrating Trauma Penetrating injuries are the most common cause , but fistulas are sometimes seen after blunt trauma . Fungal and bacterial infections are not much common as penetrating trauma in acquired AV fistula.