| A 58-year-old woman presents two days after a cardiac catheterization with malaise, fatigue, and new violaceous livedoid lesions on her feet. She is also found to have mild acute renal dysfunction. What is the cause of her symptoms? |
| A. Allergic reaction to contrast dye B. Flare of Raynaud’s disease C. Congestive heart failure D. Cholesterol embolization syndrome |
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