Why Did These Lesions Appear?

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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