What is the role of pericardial biopsy in the diagnosis of acute pericarditis?

Updated: Apr 02, 2019
  • Author: Sean Spangler, MD; Chief Editor: Terrence X O'Brien, MD, MS, FACC  more...
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If tamponade recurs after pericardiocentesis, perform a pericardial biopsy with histologic and bacteriologic examinations of the pericardium. If significant clinical activity persists for 3 weeks after admission and without an etiologic diagnosis, some authors recommend pericardial biopsy.

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