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For completion, a CT head scan was requested, this demonstrated significant SAH blood load in an aneurysmal rather than traumatic pattern. CT angiogram and subsequent digital subtraction angiography confirmed a posterior communicating artery aneurysm as the cause of the SAH. This case highlights the importance of considering neurological diagnoses in patients with collapse even with concomitant cardiac abnormalities, as the two are often inextricably linked.<\/jats:p>","DOI":"10.1136\/bcr-2017-222423","type":"journal-article","created":{"date-parts":[[2017,12,1]],"date-time":"2017-12-01T05:30:23Z","timestamp":1512106223000},"page":"bcr-2017-222423","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Complete heart block as the presenting feature in subarachnoid haemorrhage"],"prefix":"10.1136","volume":"2017","author":[{"given":"Joshua","family":"Pepper","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ciara","family":"Fenton","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Howard","family":"Brydon","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2017,11,30]]},"reference":[{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.1","doi-asserted-by":"publisher","DOI":"10.1136\/jnnp.2007.117655"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.2","doi-asserted-by":"crossref","first-page":"532.e1","DOI":"10.1016\/j.jcrc.2012.03.006","article-title":"Impact of pattern of admission on outcomes after aneurysmal subarachnoid hemorrhage","volume":"27","author":"Naval","year":"2012","journal-title":"J Crit Care"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.3","doi-asserted-by":"publisher","DOI":"10.1007\/s12471-010-0049-1"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.4","doi-asserted-by":"publisher","DOI":"10.1016\/S0735-1097(88)80044-5"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.5","doi-asserted-by":"publisher","DOI":"10.1067\/mje.2000.105763"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.6","first-page":"168","article-title":"Cardiac manifestations of subarachnoid hemorrhage","volume":"5","author":"Ahmadian","year":"2013","journal-title":"Heart Lung Vessel"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.7","doi-asserted-by":"publisher","DOI":"10.1056\/NEJMra052732"},{"key":"2025042713103021000_2017.nov30_1.bcr-2017-222423.8","doi-asserted-by":"crossref","unstructured":"Connolly ES , Rabinstein AA , Carhuapoma JR . 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