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The patients is a 69-year-old man with shortness of breath and mild chest pain of 2 months duration. He has felt it unnecessary to see his “regular doctor” because his complaints haven’t gotten worse, but conceded to visit urgent care today at the insistence of his family. When asked, he acknowledges a history of congestive heart failure and hypertension. View the ECG and consider what your diagnosis and next steps would be. Resolution of the …

The patient is a 50-year-old man who presents with foot pain at the site of a right-foot amputation. He has a history of chronic renal disease, diabetes mellitus, and hypertension. View the ECG taken and consider what the diagnosis and next steps would be. Resolution of the case is described on the next page.