Rapid ventricular response atrial fibrillation in an uncontrolled hyperthyroidism patient

Putu Bagus Aditya Putra Semara; Dewi Catur Wulandari; Gede Surya Ambara

doi:10.18203/2349-3933.ijam20243762

Authors

Putu Bagus Aditya Putra Semara Departement of Internal Medicine, Wangaya Regional Hospital, Denpasar, Bali, Indonesia
Dewi Catur Wulandari Departement of Internal Medicine, Wangaya Regional Hospital, Denpasar, Bali, Indonesia
Gede Surya Ambara Department of Cardiology, Wangaya Regional Hospital, Denpasar, Bali, Indonesia

DOI:

https://doi.org/10.18203/2349-3933.ijam20243762

Keywords:

Atrial fibrillation, Hyperthyroidism, Antithyroid drugs

Abstract

Hyperthyroidism, defined as elevated blood levels of thyroid hormone with reduced levels of thyroid-stimulating hormone (TSH). Atrial fibrillation (AF) is the most common cardiac complication in patients with hyperthyroidism. There is several pathophysiology of AF in hyperthyroidism such as an increase atrial pressure, ischemia, and ion disturbance of the myocardium. In hemodynamically unstable patients should be carried out electric cardioversion. The choice of rate or rhythm control is determined based on the case. Beta-blockers inhibit sympathetic activity in the AV node so that it can inhibit the ventricular rate. Antithyroid drugs are widely used in the management due to restoration of euthyroidism is fundamental in the management of hyperthyroidism related AF.

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