{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,20]],"date-time":"2025-11-20T12:36:58Z","timestamp":1763642218607,"version":"3.37.3"},"reference-count":23,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2017,3,20]],"date-time":"2017-03-20T00:00:00Z","timestamp":1489968000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Emerg Medicine Australasia"],"published-print":{"date-parts":[[2017,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>Although<jats:styled-content style=\"fixed-case\">ED<\/jats:styled-content>patients presenting with supraventricular tachycardia (SVT) are commonly investigated, the value of these investigations has been questioned. We aimed to determine the frequency and utility of investigations in patients with<jats:styled-content style=\"fixed-case\">SVT<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We undertook an explicit retrospective medical record audit of patients with<jats:styled-content style=\"fixed-case\">SVT<\/jats:styled-content>who presented to a single<jats:styled-content style=\"fixed-case\">ED<\/jats:styled-content>(January 2004 to June 2014). Data on demographics, presenting complaints, investigations and outcomes were extracted. The outcomes were nature and utility of investigations.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>A total of 633 patients were enrolled (mean [<jats:styled-content style=\"fixed-case\">SD<\/jats:styled-content>] age 55.4 [17.7] years, 62% female). Laboratory investigations were common: electrolytes (83.7% of patients), full blood count (81.2%), magnesium (57.5%), calcium (39.3%) and thyroid function (30.3%). These investigations revealed many mildly abnormal results but resulted in electrolyte supplementation in only 19 patients: eight with mild hypokalaemia (potassium 3.0\u20133.5 mmol\/L) and 11 with mild hypomagnesia (magnesium 0.49\u20131.1 mmol\/L). Troponin was ordered for 302 (47.7%) patients, many of whom had no history or risk factors for cardiac disease, or ischaemic symptoms associated with their<jats:styled-content style=\"fixed-case\">SVT<\/jats:styled-content>. The troponin was normal, mildly and moderately elevated in 65.2, 24.5 and 10.2% of cases, respectively. Only seven (1.1%) patients were diagnosed with acute myocardial ischemia. Although 190 (30.0%) patients had a chest X\u2010ray (CXR), it was normal in 78.4% of cases. All CXR abnormalities were incidental and not relevant to the immediate<jats:styled-content style=\"fixed-case\">ED<\/jats:styled-content>management.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Patients with uncomplicated<jats:styled-content style=\"fixed-case\">SVT<\/jats:styled-content>are over\u2010investigated. Guidelines for<jats:styled-content style=\"fixed-case\">ED SVT<\/jats:styled-content>investigation are recommended. Further research is recommended to determine the indications for each investigation in the setting of<jats:styled-content style=\"fixed-case\">SVT<\/jats:styled-content>.<\/jats:p><\/jats:sec>","DOI":"10.1111\/1742-6723.12766","type":"journal-article","created":{"date-parts":[[2017,3,20]],"date-time":"2017-03-20T23:28:58Z","timestamp":1490052538000},"page":"394-399","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Usefulness of laboratory and radiological investigations in the management of supraventricular tachycardia"],"prefix":"10.1111","volume":"29","author":[{"given":"Aadith","family":"Ashok","sequence":"first","affiliation":[{"name":"Alfred Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Miguel","family":"Cabalag","sequence":"additional","affiliation":[{"name":"Department of Surgery Austin Hospital Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8986-9997","authenticated-orcid":false,"given":"David McD","family":"Taylor","sequence":"additional","affiliation":[{"name":"Emergency Department Austin Hospital Melbourne Victoria Australia"},{"name":"Department of Medicine The University of Melbourne Melbourne Victoria Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2017,3,20]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"crossref","first-page":"578","DOI":"10.1197\/j.aem.2007.01.013","article-title":"U.S. emergency department visits for supraventricular tachycardia, 1993\u20132003","volume":"14","author":"Murman DH","year":"2007","journal-title":"Acad. 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