33 year old hunter comes to doctor. He has fever, chills, myalgia and arthraligia. Temp is 38.5 C. HR 98 resp 20 BP 132/74. Exam shows ulcer with black base on right hand and epitrochlear lymphadenopathy. 1. What is your diagnosis and why? 2. What is most likely causal organism?

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1. 33 year old hunter comes to doctor. He has fever, chills, myalgia and arthraligia. Temp is 38.5 C. HR 98 resp 20 BP 132/74. Exam shows ulcer with black base on right hand and epitrochlear lymphadenopathy. 1. What is your diagnosis and why? 2. What is most likely causal organism?