{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T23:43:49Z","timestamp":1778024629601,"version":"3.51.4"},"reference-count":19,"publisher":"BMJ","issue":"8","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2019,8,1]]},"published-print":{"date-parts":[[2019,8]]},"abstract":"<jats:p>A 60-year-old woman was admitted to the hospital with worsening dyspnoea, cough and chest pain. This was on a background of weight loss, decreased appetite, mononeuritis multiplex, chronic eosinophilia and a single episode of a non-blanching rash. Investigations demonstrated a raised troponin and ischaemic changes on ECG, and she was therefore initially treated for a presumed myocardial infarction. However, her symptoms failed to improve with treatment for the acute coronary syndrome. A coronary angiogram revealed no significant flow-limiting disease, and further investigations yielded confirmation of raised eosinophils and a positive perinuclear antineutrophil cytoplasmic antibody test. An echocardiogram demonstrated a pericardial effusion, and subsequent cardiac magnetic resonance features were compatible with myopericarditis. In light of these findings, the patient was diagnosed with eosinophilic granulomatous with polyangiitis and commenced on high-dose intravenous methylprednisolone and cyclophosphamide. She made an excellent recovery and remains in remission on azathioprine and a tapering dose of corticosteroids.<\/jats:p>","DOI":"10.1136\/bcr-2019-230593","type":"journal-article","created":{"date-parts":[[2019,8,16]],"date-time":"2019-08-16T03:45:27Z","timestamp":1565927127000},"page":"e230593","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Myopericarditis as a presentation of eosinophilic granulomatosus with polyangiitis (EGPA)"],"prefix":"10.1136","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6858-4338","authenticated-orcid":false,"given":"Mrinalini","family":"Dey","sequence":"first","affiliation":[{"name":"Department of Musculoskeletal Biology I, Institute of Ageing and Chronic Disease, University of Liverpool Faculty of Health and Life Sciences, Liverpool, UK"},{"name":"Department of Academic Rheumatology, Aintree University Hospitals NHS Foundation Trust, Liverpool, 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