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On anaesthetic induction, the patient suffered from a hypertensive crisis. The procedure was aborted, and the patient was admitted to hospital for investigations of secondary hypertension. Ultimately, the patient was diagnosed with bilateral pheochromocytomas. This case outlines the diagnostic challenges and cardiac comorbidities associated with bilateral pheochromocytomas.<\/jats:p>","DOI":"10.1136\/bcr-2021-244484","type":"journal-article","created":{"date-parts":[[2021,10,29]],"date-time":"2021-10-29T11:55:15Z","timestamp":1635508515000},"page":"e244484","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":1,"title":["Hypertensive crisis precatheter ablation for resistant atrial fibrillation: a case of undiagnosed bilateral pheochromocytomas"],"prefix":"10.1136","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0341-8472","authenticated-orcid":false,"given":"Nina","family":"Dhillon","sequence":"first","affiliation":[{"name":"Internal Medicine, University of Saskatchewan College of Medicine, Saskatoon, Saskatchewan, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nick","family":"Baniak","sequence":"additional","affiliation":[{"name":"Pathology, University of Saskatchewan College of Medicine, Saskatoon, Saskatchewan, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shravan","family":"Nosib","sequence":"additional","affiliation":[{"name":"Cardiology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2021,10,29]]},"reference":[{"key":"2025082706565624000_14.10.e244484.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ecl.2011.02.002"},{"key":"2025082706565624000_14.10.e244484.2","doi-asserted-by":"crossref","first-page":"3088","DOI":"10.1210\/clinem\/dgaa441","article-title":"Approach to the patient: perioperative management of the patient with pheochromocytoma or sympathetic paraganglioma","volume":"105","author":"Berends","year":"2020","journal-title":"J Clin Endocrinol Metab"},{"key":"2025082706565624000_14.10.e244484.3","doi-asserted-by":"crossref","first-page":"552","DOI":"10.4103\/joacp.JOACP_360_19","article-title":"Genetics of malignant hyperthermia: a brief update","volume":"36","author":"Beebe","year":"2020","journal-title":"J Anaesthesiol Clin Pharmacol"},{"key":"2025082706565624000_14.10.e244484.4","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aeq243"},{"key":"2025082706565624000_14.10.e244484.5","doi-asserted-by":"publisher","DOI":"10.1093\/bja\/aer132"},{"key":"2025082706565624000_14.10.e244484.6","doi-asserted-by":"publisher","DOI":"10.1097\/00000542-199803000-00006"},{"key":"2025082706565624000_14.10.e244484.7","doi-asserted-by":"crossref","DOI":"10.1136\/qshc.2002.004127","article-title":"Crisis management during anaesthesia: hypertension","volume":"14","author":"Paix","year":"2005","journal-title":"Qual Saf Health Care"},{"key":"2025082706565624000_14.10.e244484.8","doi-asserted-by":"crossref","first-page":"522.e1","DOI":"10.1016\/j.ajem.2016.10.011","article-title":"Acute pulmonary edema associated with ketamine-induced hypertension during procedural sedation in the ed;","volume":"35","author":"Burmon","year":"2017","journal-title":"Am J Emerg Med"},{"key":"2025082706565624000_14.10.e244484.9","doi-asserted-by":"crossref","first-page":"477","DOI":"10.4097\/kjae.2012.63.5.477","article-title":"Thyroid storm during induction of anesthesia","volume":"63","author":"Park","year":"2012","journal-title":"Korean J Anesthesiol"},{"key":"2025082706565624000_14.10.e244484.10","first-page":"a922","article-title":"Perioperative hypertensive crisis - the anaesthetic implications. 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