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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Pressure on aery proximal to fistula leading to diminished swelling is known as:
assistant
The correct answer is  Nicoladoni's or Branham's sign: Pressure on aery proximal to fistula causes the swelling to diminish in size, a thrill or bruit to cease, the pulse rate to fall and the pulse pressure returns to normal.