system
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
True regarding AV fistula is -
assistant
The correct answer is  Answer 'a' i.e. Leads to cardiac failure; 'b' i.e. Causes local gigantism; 'c' i.e. Can cause ulcers