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Gülhane Tıp Dergisi
Gulhane Medical Journal
Periodical of Gulhane Military Medical Faculty
Journal Home Page
ISSN: 1302-0471 (Print)
ISSN: 2146-8052 (Online)
Language: [ Turkish ]   [ English ]  

  » Volume 55, Issue 1
      pp. 1-75

 

Open Access

Case Report



Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report

Yılmaz Yozgat, Ayhan Kılıç, Ahmet Doksal, Mustafa Koray Lenk.

A B S T R A C T 

Abstract
Torsades de pointes, which may be a life-threatening arrhythmia is usually defined as polymorphic ventricular tachycardia developing in association with prolongation of the QT interval. Prolongation of the QT interval may be congenital as well as acquired due to various reasons including drug effects or electrolyte disorders. Torsades de pointes resulting from electrolyte abnormality is reportedly due to chronic hypocalcemia, hypokalemia or hypomagnesemia. Torsades de pointes resulting from rapid-onset isolated hypokalemia in childhood has not yet been reported. We herein report a case with torsades de pointes developing secondary to rapid-onset isolated hypokalemia in the presence of acute myelogenous leukemia and severe pneumonia in whom rapid infusion of potassium restored the QT interval to normal and eliminated the torsades de pointes.

Key words: Isolated hipokalemia, long QT syndrome, ventricular tachycardia



'Ani gelişen izole hipokalemiye bağlı “torsades de pointes”: olgu sunumu'

Özet
'Hayatı tehdit edebilen önemli bir ritm bozukluğu olan “torsades de pointes”, genellikle uzamış QT intervali ile ilişkili olarak gelişen polimorfik ventriküler taşikardi olarak tanımlanır. QT intervalindeki uzama doğumsal olabildiği gibi, ilaç kullanımı ve elektrolit bozuklukları gibi nedenlere bağlı olarak da gelişebilir. Elektrolit bozukluğu sonucu gelişen “torsades de pointes”nin kronik hipokalsemi, hipokalemi, hipomagnezemi nedeniyle oluştuğu bildirilmektedir. Çocukluk çağında hızlı başlangıçlı ani gelişen izole hipokalemiye bağlı “torsades de pointes” olgusu literatürde bildirilmemiştir. Bu yazıda akut miyeloblastik lösemili bir çocukta ağır pnömoni zemininde ani başlayan, izole hipokalemi sonucu gelişen ve hızlı potasyum replasman tedavisi ile düzelen “torsades de pointes” olgusu sunulmaktadır.'

Anahtar Kelimeler: İzole hipokalemi, uzun QT sendromu, ventriküler taşikardi


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How to Cite this Article
Pubmed Style

Yozgat Y, Kılıç A, Doksal A, Lenk MK. [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. Gulhane Med J. 2009; 51(3): 186-189. Turkish.



Web Style

Yozgat Y, Kılıç A, Doksal A, Lenk MK. [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. www.scopemed.org/?mno=5504 [Access: June 17, 2013]. Turkish.



AMA (American Medical Association) Style

Yozgat Y, Kılıç A, Doksal A, Lenk MK. [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. Gulhane Med J. 2009; 51(3): 186-189. Turkish.



Vancouver/ICMJE Style

Yozgat Y, Kılıç A, Doksal A, Lenk MK. [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. Gulhane Med J. (2009), [cited June 17, 2013]; 51(3): 186-189. Turkish.



Harvard Style

Yozgat, Y., Kılıç, A., Doksal, A. & Lenk, M. K. (2009) [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. Gulhane Med J, 51 (3), 186-189. Turkish.



Turabian Style

Yozgat, Yılmaz, Ayhan Kılıç, Ahmet Doksal, and Mustafa Koray Lenk. 2009. [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. Gulhane Medical Journal, 51 (3), 186-189. Turkish.



Chicago Style

Yozgat, Yılmaz, Ayhan Kılıç, Ahmet Doksal, and Mustafa Koray Lenk. "[Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]." Gulhane Medical Journal 51 (2009), 186-189. Turkish.



MLA (The Modern Language Association) Style

Yozgat, Yılmaz, Ayhan Kılıç, Ahmet Doksal, and Mustafa Koray Lenk. "[Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]." Gulhane Medical Journal 51.3 (2009), 186-189. Print.Turkish.



APA (American Psychological Association) Style

Yozgat, Y., Kılıç, A., Doksal, A. & Lenk, M. K. (2009) [Torsades de pointes developing secondary to rapid onset isolated hypokalemia: a case report]. Gulhane Medical Journal, 51 (3), 186-189. Turkish.




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