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Case 201: Painless foot ulcer

52yoM, IHD and current smoker. Fasting BSL 7.0. Presents after podiatrist noticing this.

Image provided by Dr Madhu Bhamidipaty

1. What is the diagnosis?

2. What is the pathophysiology?

3. What is your emergency management if patient was septic?

4. What is your overall management of this patient?