72 year old man with history of type 2 DM, chronic kidney disease (baseline creatinine 1.9) and coronary artery disease status post PCI in 2014. He presented with complaints of left leg cluadication x 2 months and claudication distance decreased from ~1 block to less than 100 feet over last 3 weeks. Also reports pain at night which is relieved in dependent position. No history of ulcers. On examination there is dependent rubor and monophasic left DP and PT signal. Her home medications include Aspirin 81 mg/day, Clopidogrel 75 mg/day and atorvastatin 20 mg qhs. ABI done 3 weeks ago: Right- 0.73, Left: 0.52.