{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,7]],"date-time":"2026-01-07T07:58:24Z","timestamp":1767772704212,"version":"3.44.0"},"reference-count":34,"publisher":"BMJ","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Reports"],"accepted":{"date-parts":[[2018,2,28]]},"abstract":"<jats:p>Diabetic ketoacidosis (DKA) is one of the most common causes of morbidity and mortality in new-onset type 1 diabetes (T1D). Supraventricular tachycardia (SVT), however, is a very rare complication of DKA. We present the case of a patient with new-onset T1D who presented with DKA. He received intravenous fluid resuscitation, insulin and potassium supplementation and subsequently developed SVT, confirmed on a 12-lead electrocardiograph despite a structurally normal heart. Vagal manoeuvres and adenosine failed to restore sinus rhythm, but flecainide was successful. We conclude that SVT can occur as a complication of DKA, including in new-onset T1D. Our case is the first of this phenomenon occurring in new-onset childhood diabetes, as the few prior documented cases had established diabetes. Furthermore, a combination of potassium derangement, hypophosphataemia and falling magnesium levels may have precipitated the event.<\/jats:p>","DOI":"10.1136\/bcr-2017-222861","type":"journal-article","created":{"date-parts":[[2018,3,15]],"date-time":"2018-03-15T09:36:42Z","timestamp":1521106602000},"page":"bcr-2017-222861","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":10,"title":["Supraventricular tachycardia as a complication of severe diabetic ketoacidosis in an adolescent with new-onset type 1 diabetes"],"prefix":"10.1136","volume":"2018","author":[{"given":"Bryan Padraig","family":"Finn","sequence":"first","affiliation":[{"name":"Paediatrics, Cork University Hospital Group, Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian","family":"Fraser","sequence":"additional","affiliation":[{"name":"Department of Paediatrics and Child Health, Cork University Hospital Group, Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susan M","family":"O\u2019Connell","sequence":"additional","affiliation":[{"name":"Department of Paediatrics and Child Health, Cork University Hospital Group, Cork, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2018,3,15]]},"reference":[{"key":"2025082722475984000_2018.mar15_1.bcr-2017-222861.1","doi-asserted-by":"crossref","first-page":"1913","DOI":"10.1007\/s00431-016-2787-6","article-title":"Is the incidence of type 1 diabetes in children and adolescents stabilising? 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