1. Introduction 2. Atherosclerosis- pathology of lower extremity atherosclerosis 3. Epidemiology of PAD 4. Molecular Understanding of Peripheral Arterial Disease 5. Non-invasive imaging of CT and MRA in Evaluation of PAD 6. Medical Therapy of PAD: Joshua Beckman 7. Intravascular Imaging: Role in PAD 8. Interventional Treatment of PAD: Atherectomy 9. Interventional Treatment of PAD: Drug Coated Balloons and Stents 10. Future Directions