An adult patient with leg pain and gangrene of toe. His ankle to brachial aerial pressure ratio would be less than?: (A) 1, (B) 0.3, (C) 0.5, (D) 0.8
Answer is B. 0.3 REF: Sabiston 18th ed chapter 66 ABI Symptoms >1 Normal 0.5-0.9 Intermittent claudication 0.3-0.5 Rest pain <0.3 Gangrene