Most common cause of pseudoaneurysm: (A) iv drug abuse, (B) Trauma, (C) Congenital, (D) None
Answer is B. Answer- B. TraumaWhen wall, is ruptured and there is collection of blood outside the vessel wall (extravascular hematoma) that is freelycommunicating with vessel wall - false aneurysm (Pseudoaneurysm). Most common cause of false aneurysm is Trauma.