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Tips for management of arrhythmias in endocrine disorders from an European Heart Rhythm Association position paper [Anatol J Cardiol]
Anatol J Cardiol. Ahead of Print: AJC-87260 | DOI: 10.14744/AnatolJCardiol.2018.87260  

Tips for management of arrhythmias in endocrine disorders from an European Heart Rhythm Association position paper

Emin Evren Özcan1, Muhammet Dural2, Bülent Görenek2
1Department of Cardiology, Faculty of Medicine, Dokuz Eylül University; İzmir-Turkey
2Department of Cardiology, Faculty of Medicine, Eskişehir Osmangazi University; Eskişehir-Turkey

In endocrine diseases, hormonal changes, electrolyte abnormalities, and the deterioration of heart structure can lead to various arrhythmias. In
diabetic patients, hypoglycemia, hyperglycemia, and hypokalemia can trigger arrhythmias, and diabetic cardiomyopathy can also cause electrical and structural remodeling to form substrates for arrhythmias. The risk of atrial fibrillation (AF) increases in hyperthyroidism; however, the prevalence of ventricular arrhythmias in hypothyroidism is higher. Besides AF and ventricular tachycardias, bradycardias and atrioventricular blocks can also be seen in pheochromocytoma due to the desensitization of adrenergic cardiovascular receptors. The correction of metabolic and electrolyte disturbances in patients with adrenal cortex disease should be the main approach in the prevention and treatment of arrhythmias. Early initiation of treatment in patients with acromegaly seems to decrease the development of cardiac remodeling and ventricular arrhythmia. Early and late after depolarizations due to hypercalcemia in hyperparathyroidism can lead to life-threatening ventricular arrhythmias. This elegant position paper provides important recommendations regarding prevention and treatment of arrhythmias for specific endocrine disorders.

Keywords: endocrine disorders, arrhythmias, diabetes mellitus, thyroid dysfunction

Corresponding Author: Bülent Görenek, Türkiye

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