Title: What's the Diagnosis?<br/>Author: Tu Carol Nguyen<br/><a href='http://umem.org/profiles/faculty/1234/'>[Click to email author]</a><hr/><p>   <span style="font-size:16px;">A 60 year-old man with history of atrial fibrillation, CAD presents with left lower leg/foot pain for a few days. His foot is seen below. What's the diagnosis?</span></p>  <p>    </p>  <p>   <img alt="" src="http://www.umem.org/files/uploads/content/pearls/Tu/Acute%20Limb%20Ischemia.jpg" style="width: 400px; height: 300px;" /></p>  <p>    </p>  <p>   <img alt="" src="http://www.umem.org/files/uploads/content/pearls/Tu/Acute%20Limb%20Ischemia%202.jpg" style="width: 400px; height: 225px;" /></p>  
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