Emergency Department Presentation of Life-threatening Symptomatic Hyperkalemia From an Angiotensin Receptor Blocker in a Low-risk Individual

ABSTRACT Hyperkalemia is a common electrolyte abnormality with characteristic electrocardiogram changes. Both angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) increase the risk of developing hyperkalemia. This case highlights a rare life-threatening episode o...

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Veröffentlicht in:Military medicine 2023-08, Vol.188 (9-10), p.3242-3247
Hauptverfasser: Dockery, Samuel, Dupré, Alan, Deflorio, Paul, Murray, Brian Patrick
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creator Dockery, Samuel
Dupré, Alan
Deflorio, Paul
Murray, Brian Patrick
description ABSTRACT Hyperkalemia is a common electrolyte abnormality with characteristic electrocardiogram changes. Both angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin receptor blockers (ARBs) increase the risk of developing hyperkalemia. This case highlights a rare life-threatening episode of hyperkalemia in an individual whose only risk factor was an ARB. A 58-year-old female presented with sudden-onset chest pressure, light-headedness, and diaphoresis. Her initial electrocardiogram showed a nearly sinusoidal rhythm with a widened ventricular depolarization (QRS) and prolonged QT-interval (QTc). Life-threatening hyperkalemia of 9.1 mmol/L was confirmed with a rapid point-of-care electrolyte panel. She was rapidly treated with calcium, potassium-shifting and eliminating medications, and emergent hemodialysis. After stabilization, a thorough workup found that the patient’s only risk factor for hyperkalemia was her use of an ARB. While both ARBs and ACEIs are commonly associated with mild hyperkalemia, life-threatening hyperkalemia is rare, particularly in patients without concomitant renal failure, diabetes mellitus, adrenal disease, or potassium-sparing diuretic use. However, this case illustrates that life-threatening hyperkalemia is possible in patients solely taking an ARB without prior significant risk factors. Despite normal renal function in an individual without heart failure or diabetes, this patient developed life-threatening hyperkalemia.
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While both ARBs and ACEIs are commonly associated with mild hyperkalemia, life-threatening hyperkalemia is rare, particularly in patients without concomitant renal failure, diabetes mellitus, adrenal disease, or potassium-sparing diuretic use. However, this case illustrates that life-threatening hyperkalemia is possible in patients solely taking an ARB without prior significant risk factors. Despite normal renal function in an individual without heart failure or diabetes, this patient developed life-threatening hyperkalemia.</description><identifier>ISSN: 0026-4075</identifier><identifier>EISSN: 1930-613X</identifier><identifier>DOI: 10.1093/milmed/usac376</identifier><language>eng</language><publisher>US: Oxford University Press</publisher><subject>Diabetes ; Electrocardiography ; Electrolytes ; Hyperkalemia ; Potassium</subject><ispartof>Military medicine, 2023-08, Vol.188 (9-10), p.3242-3247</ispartof><rights>The Association of Military Surgeons of the United States 2022. 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While both ARBs and ACEIs are commonly associated with mild hyperkalemia, life-threatening hyperkalemia is rare, particularly in patients without concomitant renal failure, diabetes mellitus, adrenal disease, or potassium-sparing diuretic use. However, this case illustrates that life-threatening hyperkalemia is possible in patients solely taking an ARB without prior significant risk factors. Despite normal renal function in an individual without heart failure or diabetes, this patient developed life-threatening hyperkalemia.</abstract><cop>US</cop><pub>Oxford University Press</pub><doi>10.1093/milmed/usac376</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record>
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source Oxford University Press Journals All Titles (1996-Current); Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Diabetes
Electrocardiography
Electrolytes
Hyperkalemia
Potassium
title Emergency Department Presentation of Life-threatening Symptomatic Hyperkalemia From an Angiotensin Receptor Blocker in a Low-risk Individual
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