{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T18:47:27Z","timestamp":1790275647040,"version":"4.1.0"},"reference-count":30,"publisher":"BMJ","issue":"8","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"published-print":{"date-parts":[[2021,8]]},"abstract":"<jats:p>A previously healthy 12-year-old boy presented to the emergency department on the seventh day of illness with classical symptoms of postinflammatory multisystemic syndrome in children temporally associated with SARS-CoV-2 (fever, vomiting, loose stools and rashes all over the body) with COVID-19 seropositivity, high inflammatory markers and elevated cardiac enzymes with cardiogenic shock with multiple organ dysfunction syndrome. After having improved over the first 48 hours following intravenous immunoglobulin and pulsed steroids, this young boy developed sudden cardiac arrest and died. No reversible cause could be identified at the time of resuscitation. Despite an apparent clinical recovery in the myocardial function, it is likely that the myocardium remains arrhythmogenic due to cytokine-induced myocardial inflammation. There are several reports in the literature of fatality in multisystemic inflammatory syndrome in children (MISC) due to cardiovascular complication during the acute phase of the illness. To the best of our knowledge, this is the first report of sudden cardiac death in a child with MISC days after recovery from critical illness, suggesting that fatal outcome remains a potential risk during follow-up, even when there is no evidence of coronary aneurysm. Further studies are needed to identify clinical characteristics of such high-risk children presenting with MISC. We will need to follow these children closely to understand what implications they may have in the long term, and this helps in raising awareness among families of such children.<\/jats:p>","DOI":"10.1136\/bcr-2021-242635","type":"journal-article","created":{"date-parts":[[2021,8,19]],"date-time":"2021-08-19T18:21:06Z","timestamp":1629397266000},"page":"e242635","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Sudden cardiac death in a young boy with multisystemic inflammatory syndrome in children (MISC)"],"prefix":"10.1136","volume":"14","author":[{"given":"Gurudutta Avathi","family":"Venkatesha","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nidhi","family":"Srinivas","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1940-9837","authenticated-orcid":false,"given":"Saril","family":"Mohamedali","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Supraja","family":"Chandrasekar","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"239","published-online":{"date-parts":[[2021,8,19]]},"reference":[{"key":"2022042514460624000_14.8.e242635.1","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2020.2648"},{"key":"2022042514460624000_14.8.e242635.2","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMc2005073"},{"key":"2022042514460624000_14.8.e242635.3","unstructured":"Royal College of paediatrics and child health guidance: paediatric multisystem inflammatory syndrome temporally associated with COVID-19. 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