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We present a case of a young woman who was brought to ED by ambulance with hypotension, syncope and vaginal bleeding, with a presumptive pre\u2010hospital diagnosis of ruptured ectopic pregnancy. On arrival in ED, she was found to have intra\u2010abdominal free fluid on bedside ultrasound. This finding could have been used by clinicians to confirm their suspicion of a ruptured ectopic; however, with further investigations, it was found that anaphylaxis was the most likely cause of the patient's symptoms. This case highlights that point\u2010of\u2010care ultrasound findings can play a potentially dangerous role in confirmation bias and that we should maintain an open mind when making a diagnosis by treating the patient, rather than the ultrasound picture.<\/jats:p>","DOI":"10.1002\/ajum.12320","type":"journal-article","created":{"date-parts":[[2022,9,17]],"date-time":"2022-09-17T07:08:18Z","timestamp":1663398498000},"page":"207-209","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Young female with abdominal pain and intra\u2010abdominal free fluid: The risk of confirmation bias associated with point\u2010of\u2010care ultrasound"],"prefix":"10.1002","volume":"25","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8113-3814","authenticated-orcid":false,"given":"Laura","family":"Joyce","sequence":"first","affiliation":[{"name":"Department of Surgery University of Otago (Christchurch)  Christchurch New Zealand"},{"name":"Emergency Department Te Whatu Ora \u2010 Waitaha  Christchurch New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacques","family":"Loubser","sequence":"additional","affiliation":[{"name":"Emergency Department Te Whatu Ora \u2010 Waitaha  Christchurch New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Rex","family":"de Ryke","sequence":"additional","affiliation":[{"name":"Department of Radiology Te Whatu Ora \u2010 Waitaha  Christchurch New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexandra","family":"McHaffie","sequence":"additional","affiliation":[{"name":"Department of Radiology Te Whatu Ora \u2010 Waitaha  Christchurch New Zealand"},{"name":"Department of Radiology University of Otago (Christchurch)  Christchurch New Zealand"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,9,17]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.1197\/j.aem.2005.07.028"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1097\/GRF.0b013e3182516d7b"},{"key":"e_1_2_12_4_1","first-page":"615","volume-title":"Tintinalli's emergency medicine: a comprehensive study guide","author":"Tintinallil JE","year":"2019"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.annemergmed.2010.06.563"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/jum.14607"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jemermed.2015.01.016"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1155\/2018\/8081607"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1097\/00042737-200110000-00016"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/0002-9343(60)90018-8"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.7326\/0003-4819-153-2-201007200-00005"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1182\/blood-2011-08-375816"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1197\/j.aem.2007.04.010"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1371\/journal.pone.0194774"}],"container-title":["Australasian Journal of Ultrasound in Medicine"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ajum.12320","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/full-xml\/10.1002\/ajum.12320","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/ajum.12320","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,8,22]],"date-time":"2023-08-22T02:39:47Z","timestamp":1692671987000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/ajum.12320"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,9,17]]},"references-count":13,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2022,11]]}},"alternative-id":["10.1002\/ajum.12320"],"URL":"https:\/\/doi.org\/10.1002\/ajum.12320","archive":["Portico"],"relation":{},"ISSN":["1836-6864","2205-0140"],"issn-type":[{"type":"print","value":"1836-6864"},{"type":"electronic","value":"2205-0140"}],"subject":[],"published":{"date-parts":[[2022,9,17]]},"assertion":[{"value":"2022-09-17","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}