This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
[{'content': 'A patient comes with crush injury to upper limb, the doctor is concerned about gangrene and sepsis what can help decide between amputation and limb salvage? \nSelect and explain. \nA. MESS, B. Guliton score, C. Gustilo Anderson classification, D. ASIA guidelines', 'role': 'user'}, {'content': "Answer: A \nExplanation: MESS (Mangled Extremity severity score):Estimates bility of an extremity after trauma, to determine the need for salvage vs empiric amputation(Refer: Maheshwari's Essentials of Ohopedics, 5th edition, pg no. 392)", 'role': 'assistant'}]