Arrhythmias in Thyroid Disorders

  • Sonia Marrakchi Meziou
  • Emna Bennour
  • Faouzi Kanoun
  • Dania Idriss Marrakchi
  • Ikram Kammoun
  • Salem Kachboura


The most common clinical manifestations of thyrotoxic heart disease are heart rate disorders, in particular sinus tachycardia and atrial fibrillation, which are present in 28% of patients [1]. Typical arrhythmias found in hyperthyroidism are atrial premature contractions or atrial fibrillation, the latter occurring in 9–22% of patients [2]. Conversely, ventricular premature contractions are rare in this setting, and if present, their frequency is not decreased after treatment [3]. Malignant ventricular arrhythmias such as ventricular tachycardia or fibrillation, which are potentially fatal, are exceptional [4] and usually occur only in patients with marked heart failure or associated cardiac disease [5]. Surprisingly, there have been few population-based studies examining the long-term influence of thyroid disease and its treatment on morbidity and mortality [6].


Arrhythmia Atrial fibrillation Ventricular tachycardia Thyroid disease Hypothyroid Hyperthyroid 


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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Sonia Marrakchi Meziou
    • 1
  • Emna Bennour
    • 1
  • Faouzi Kanoun
    • 2
  • Dania Idriss Marrakchi
    • 3
  • Ikram Kammoun
    • 1
  • Salem Kachboura
    • 1
  1. 1.Cardiology DepartmentAbderrahman Mami HospitalArianaTunisia
  2. 2.Endocrinology DepartmentLa Rabta HospitalTunisTunisia
  3. 3.University Manar 2 of TunisTunisTunisia

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