CRP and autoimmune disease: In a cohort of 422 patients with recurrent pericarditis, (15% with autoimmune disease), there was a correlation of inflammatory markers such as ESR and hs-CRP (high sensitive CRP) with late gadolinium enhancement (LGE) on Cardiac MRI (CMR), which underscores that biomarkers maintain an important role in autoimmune pericarditis [55].