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The patient was started on high-dose steroids and responded very well with a complete resolution of symptoms over the course of a few weeks.<\/jats:p>","DOI":"10.1136\/bcr-2013-009609","type":"journal-article","created":{"date-parts":[[2013,9,30]],"date-time":"2013-09-30T07:06:03Z","timestamp":1380524763000},"page":"bcr2013009609","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Loeffler's endocarditis with biventricular mural thrombi"],"prefix":"10.1136","volume":"2013","author":[{"given":"Naseem","family":"Eisa","sequence":"first","affiliation":[{"name":"Cleveland Clinic, Cleveland, Ohio, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Khaldoon","family":"Shaheen","sequence":"additional","affiliation":[{"name":"Hospital Medicine, Cleveland Clinic, Cleveland, Ohio, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Abdul Hamid","family":"Alraiyes","sequence":"additional","affiliation":[{"name":"Department of Pulmonary Diseases, Critical Care, & Environmental Medicine, Tulane University Health Sciences Center, New Orleans, Louisiana, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M Chadi","family":"Alraies","sequence":"additional","affiliation":[{"name":"Hospital Medicine, Cleveland Clinic, Cleveland, Ohio, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2013,9,30]]},"reference":[{"key":"2025082803304426000_2013.sep30_1.bcr2013009609.1","doi-asserted-by":"crossref","first-page":"2759","DOI":"10.1182\/blood.V83.10.2759.2759","article-title":"The idiopathic hypereosinophilic syndrome","volume":"2013","author":"Weller","year":"1994","journal-title":"Blood"},{"key":"2025082803304426000_2013.sep30_1.bcr2013009609.2","doi-asserted-by":"crossref","first-page":"333","DOI":"10.1016\/j.iac.2007.07.007","article-title":"Clinical overview of hypereosinophilic syndromes","volume":"2013","author":"Sheikh","year":"2007","journal-title":"Immunol Allergy Clin North Am"},{"key":"2025082803304426000_2013.sep30_1.bcr2013009609.3","doi-asserted-by":"crossref","first-page":"440","DOI":"10.1111\/j.1365-2141.2010.08394.x","article-title":"Molecular characterization of paediatric idiopathic hypereosinophilia","volume":"2013","author":"Rapanotti","year":"2010","journal-title":"Br J Haematol"},{"key":"2025082803304426000_2013.sep30_1.bcr2013009609.4","doi-asserted-by":"crossref","first-page":"392","DOI":"10.1016\/j.leukres.2012.12.016","article-title":"Mortality in hypereosinophilic syndrome: 19\u2005years of experience at Mayo Clinic with a review of the literature","volume":"2013","author":"Podjasek","year":"2013","journal-title":"Leuk Res"},{"key":"2025082803304426000_2013.sep30_1.bcr2013009609.5","doi-asserted-by":"crossref","first-page":"78","DOI":"10.7326\/0003-4819-97-1-78","article-title":"NIH conference. 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