Complications of Acute Coronary Syndromes
Pericarditis (Post-MI Pericarditis, Dressler's Syndrome)
Post-MI pericarditis and Dressler's syndrome are inflammatory complications of acute coronary syndromes, characterized by chest pain and pericardial inflammation.
Complications of Acute Coronary Syndromes: Pericarditis
Introduction
Pericarditis, including Post-MI Pericarditis and Dressler's Syndrome, is a known complication of acute coronary syndromes (ACS). It is an inflammatory condition affecting the pericardium, leading to chest pain and potential complications.
Pathophysiology
Post-myocardial infarction (MI) pericarditis occurs due to direct inflammation of the pericardium following ischemic myocardial injury. Dressler’s syndrome, an immune-mediated pericarditis, typically manifests weeks post-MI.
Clinical Presentation
- Pleuritic chest pain, often relieved by sitting up
- Pericardial friction rub
- ECG changes—diffuse ST-segment elevation
- Elevated inflammatory markers (CRP, ESR)
Diagnosis
Diagnosis relies on clinical presentation, ECG findings, and imaging modalities such as echocardiography to assess pericardial effusion.
Treatment
Management involves NSAIDs or aspirin, colchicine for recurrent cases, and corticosteroids in severe cases. Close monitoring for complications, including cardiac tamponade, is essential.
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