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This was reversed through fluid restriction, supplementation with 1.8%\u20133.0% hypertonic saline and a volume-reduced variable-rate insulin infusion. Clinical stability was achieved and she was subsequently worked up for an induction of labour for worsening pre-eclampsia. Hyponatraemia in the context of PET has been previously reported as rare. However, it has complications that may significantly compound the sequelae of severe PET. We propose that specific and focused monitoring of serum sodium levels should become common practice in the management of women with this condition to allow for timely, measured correction of abnormalities.<\/jats:p>","DOI":"10.1136\/bcr-2020-236511","type":"journal-article","created":{"date-parts":[[2020,9,3]],"date-time":"2020-09-03T02:35:58Z","timestamp":1599100558000},"page":"e236511","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Hyponatraemia compounding pre-eclamptic toxaemia in a patient with type 1 diabetes"],"prefix":"10.1136","volume":"13","author":[{"given":"Emily","family":"Briggs","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Orene","family":"Greer","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital, London, UK"},{"name":"Academic Department of Obstetrics & Gynaecology, Imperial College London, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5694-9915","authenticated-orcid":false,"given":"Nishel Mohan","family":"Shah","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital, London, UK"},{"name":"Academic Department of Obstetrics & Gynaecology, Imperial College London, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Natasha","family":"Singh","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology, Chelsea and Westminster Hospital, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2020,9,2]]},"reference":[{"key":"2025082707091871000_13.9.e236511.1","doi-asserted-by":"crossref","first-page":"e323","DOI":"10.1016\/S2214-109X(14)70227-X","article-title":"Global causes of maternal death: a who systematic analysis","volume":"2","author":"Say","year":"2014","journal-title":"Lancet Glob Health"},{"key":"2025082707091871000_13.9.e236511.2","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(15)00070-7"},{"key":"2025082707091871000_13.9.e236511.3","doi-asserted-by":"crossref","first-page":"l2381","DOI":"10.1136\/bmj.l2381","article-title":"Pre-Eclampsia: pathophysiology and clinical implications","volume":"46","author":"Burton","year":"2019","journal-title":"BMJ"},{"key":"2025082707091871000_13.9.e236511.4","doi-asserted-by":"crossref","unstructured":"Nelson Piercy C . 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