{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T16:47:39Z","timestamp":1787071659285,"version":"build-2736575974"},"reference-count":12,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"1","license":[{"start":{"date-parts":[[2025,9,1]],"date-time":"2025-09-01T00:00:00Z","timestamp":1756684800000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0"}],"content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"abstract":"<jats:p>Electrocardiographic alterations of ventricular repolarization have already been reported in cases of myocarditis following coronavirus disease-19 (COVID-19) vaccine, but it is not clear how long they persist. A 21-year-old female presented with chest discomfort and diffuse myalgia a week after receiving the first dose of a messenger RNA (mRNA) COVID-19 vaccine. The 12 leads standard electrocardiogram unveiled negative T waves in anterior and inferior leads, while her troponin-I values resulted in the upper limit. A mild form of post-COVID-19 vaccine myocarditis was diagnosed since the echocardiogram excluded major systolic alterations and pericardial effusions. The patient refused hospitalization, but luckily, she remained hemodynamically stable, presenting a quick clinical response to oral non-steroidal anti-inflammatory therapy. However, the electrocardiographic abnormalities required weeks for resolving. In our case, the later normalization of electrocardiographic anomalies was not associated with an ominous clinical course.<\/jats:p>","DOI":"10.4103\/jrms.jrms_484_22","type":"journal-article","created":{"date-parts":[[2025,9,30]],"date-time":"2025-09-30T12:08:49Z","timestamp":1759234129000},"update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":2,"title":["Temporal evolution of electrocardiographic anomalies observed in a young woman after COVID-19 vaccine"],"prefix":"10.4103","volume":"30","author":[{"given":"Elpidio","family":"Santillo","sequence":"first","affiliation":[{"name":"Department of Geriatric-Rehabilitative, Cardiac Rehabilitation Unit, IRCCS-INRCA, Fermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lucio","family":"Cardinali","sequence":"additional","affiliation":[{"name":"Department of Geriatric-Rehabilitative, Cardiac Rehabilitation Unit, IRCCS-INRCA, Fermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Luciano","family":"Marini","sequence":"additional","affiliation":[{"name":"Department of Geriatric-Rehabilitative, Cardiac Rehabilitation Unit, IRCCS-INRCA, Fermo, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2025,9]]},"reference":[{"key":"R1-20250930","doi-asserted-by":"crossref","first-page":"35","DOI":"10.1186\/s12941-021-00438-7","article-title":"COVID-19: Breaking down a global health crisis","volume":"20","author":"Mallah","year":"2021","journal-title":"Ann Clin Microbiol Antimicrob"},{"key":"R2-20250930","doi-asserted-by":"crossref","first-page":"101892","DOI":"10.1016\/j.ijdrr.2020.101892","article-title":"Editorial: Root causes and policy dilemmas of the COVID-19 pandemic global disaster","volume":"52","author":"Alc\u00e1ntara-Ayala","year":"2021","journal-title":"Int J Disaster Risk 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