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We report a 53\u2010year\u2010old woman with chronic antimalarial exposure, myocardial injury, biventricular dysfunction, electrical abnormalities, low lupus activity, and no myocardial edema. Chloroquine withdrawal was followed by clinical improvement and left ventricular function recovery, supporting probable antimalarial\u2010associated cardiomyopathy.<\/jats:p>","DOI":"10.1002\/ccr3.73413","type":"journal-article","created":{"date-parts":[[2026,9,1]],"date-time":"2026-09-01T06:02:19Z","timestamp":1788242539000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["When Myocardial Injury in Lupus Is Not Lupus: Probable Antimalarial\u2010Associated Cardiomyopathy Mimicking Lupus Myocarditis"],"prefix":"10.1002","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3667-2979","authenticated-orcid":false,"given":"Diego Armando P\u00e9rez","family":"Covo","sequence":"first","affiliation":[{"name":"Departamento de Medicina Interna Pontificia Universidad Javeriana  Bogot\u00e1 Colombia"},{"name":"Departamento de Medicina Interna Hospital Universitario San Ignacio  Bogot\u00e1 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