How is chronic idiopathic pericarditis defined?

Updated: Apr 02, 2019
  • Author: Sean Spangler, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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Chronic idiopathic pericarditis is defined as a pericardial effusion that persists more than 3 months without any apparent etiology. Pericardiocentesis alone results in resolution of large effusions; however, recurrence is common.

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