Pericarditis - Definition and Diagnostic Criteria
• Inflammatory pericardial syndrome to be diagnosed with at least 2 of the 4 following criteria:
(1) pericarditic chest pain
(2) pericardial rubs
(3) new widespread ST-elevation or PR depression on ECG
(4) pericardial effusion (new or worsening)
• Additional supporting findings:
- Elevation of markers of inflammation (i.e. C-reactive protein, erythrocyte sedimentation rate, and white blood cell count);
- Evidence of pericardial inflammation by an imaging technique (CT. CMR).
Incessant Pericarditis: Pericarditis lasting for >4-6 weeks but <3 months without remission.
Recurrent Pericarditis: Recurrence of pericarditis after a documented first episode of acute pericarditis and a symptom-free interval of 4-6 weeks or longer.
Chronic Pericarditis: Pericarditis lasting > 3 months.
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