Background: Aspirin and nonsteroidal anti-inflammatory drugs (A/NSAIDs) are the mainstay treatments for acute pericarditis. We sought to identify factors predicting failure of A/NSAIDs and switch to corticosteroid treatment (STCT) as well as the impact of STCT on pericarditis recurrence. Methods: We enrolled 148 patients with acute pericarditis receiving A/NSAIDs (n=110) or corticoste... https://lockdownsecuritycanada.shop/product-category/rca-y-adapter/