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
A 71-year-old man comes to the emergency department because of pain and swelling in his left leg that started after he cut his foot while swimming in the ocean. He has a history of alcoholic cirrhosis. His temperature is 38.3°C (101.0°F). Examination of the left foot shows a small, purulent wound with surrounding swelling and dusky redness extending to the mid-calf. There are numerous hemorrhagic blisters and the entire lower leg is exquisitely tender to light palpation. There is no crepitus. Blood cultures grow gram-negative bacilli that ferment lactose. Which of the following is the most likely causal organism?
assistant
Vibrio vulnificus