Severe metabolic alkalosis with fludrocortisone therapy—a case report

Abstract. Background. We present an atypical case of severe metabolic alkalosis, not reported in the literature to date. Case Presentation. Owing to concerns of apneas and desaturation, a 75-year-old man presented to the emergency department with significantly deranged physiology: bicarbonate level...

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Main Authors: Grace Williams, Honor Hinxman
Format: Article
Language:English
Published: Wolters Kluwer Health/LWW 2025-03-01
Series:Emergency and Critical Care Medicine
Online Access:http://journals.lww.com/10.1097/EC9.0000000000000124
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author Grace Williams
Honor Hinxman
author_facet Grace Williams
Honor Hinxman
author_sort Grace Williams
collection DOAJ
description Abstract. Background. We present an atypical case of severe metabolic alkalosis, not reported in the literature to date. Case Presentation. Owing to concerns of apneas and desaturation, a 75-year-old man presented to the emergency department with significantly deranged physiology: bicarbonate level of 63.6 mmol/L, a base excess of 40.6, and a potassium concentration of 1.9 mmol/L. Primary diagnoses included metabolic alkalosis secondary to fludrocortisone therapy with respiratory compensation, hypokalemia, and hypochloremia. He initially received potassium replacement with cardiac monitoring, followed by permissive hypercapnia in the intensive care unit. He received acetazolamide to further improve his acid-base status. The patient had a good outcome with gradual return of his pH and bicarbonate levels to baseline. He was then discharged. Conclusion. Iatrogenic mineralocorticoid excess should be considered when the patient presents with significantly raised bicarbonate levels. When starting fludrocortisone, renal function needs to be diligently monitored due to risk of hypokalemia metabolic alkalosis.
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spelling doaj-art-b69b734b1b8f4c4bae38c228f10fc7252025-08-20T01:54:16ZengWolters Kluwer Health/LWWEmergency and Critical Care Medicine2097-06172693-860X2025-03-0151576010.1097/EC9.0000000000000124202503000-00008Severe metabolic alkalosis with fludrocortisone therapy—a case reportGrace Williams0Honor Hinxman1a Department of Anaesthesia, Whittington Health, London, United Kingdomb Department of Anaesthesia, St Richard’s Hospital, Chichester, United Kingdom.Abstract. Background. We present an atypical case of severe metabolic alkalosis, not reported in the literature to date. Case Presentation. Owing to concerns of apneas and desaturation, a 75-year-old man presented to the emergency department with significantly deranged physiology: bicarbonate level of 63.6 mmol/L, a base excess of 40.6, and a potassium concentration of 1.9 mmol/L. Primary diagnoses included metabolic alkalosis secondary to fludrocortisone therapy with respiratory compensation, hypokalemia, and hypochloremia. He initially received potassium replacement with cardiac monitoring, followed by permissive hypercapnia in the intensive care unit. He received acetazolamide to further improve his acid-base status. The patient had a good outcome with gradual return of his pH and bicarbonate levels to baseline. He was then discharged. Conclusion. Iatrogenic mineralocorticoid excess should be considered when the patient presents with significantly raised bicarbonate levels. When starting fludrocortisone, renal function needs to be diligently monitored due to risk of hypokalemia metabolic alkalosis.http://journals.lww.com/10.1097/EC9.0000000000000124
spellingShingle Grace Williams
Honor Hinxman
Severe metabolic alkalosis with fludrocortisone therapy—a case report
Emergency and Critical Care Medicine
title Severe metabolic alkalosis with fludrocortisone therapy—a case report
title_full Severe metabolic alkalosis with fludrocortisone therapy—a case report
title_fullStr Severe metabolic alkalosis with fludrocortisone therapy—a case report
title_full_unstemmed Severe metabolic alkalosis with fludrocortisone therapy—a case report
title_short Severe metabolic alkalosis with fludrocortisone therapy—a case report
title_sort severe metabolic alkalosis with fludrocortisone therapy a case report
url http://journals.lww.com/10.1097/EC9.0000000000000124
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