Reversible first-degree atrioventricular block due to hyperthyroidism

Abstract

Hyperthyroidism often causes tachyarrhythmia. Reversible atrioventricular block caused by hyperthyroidism is rare occurrence. Presently described is a case of atrioventricular block due to hyperthyroidism and recovery after antithyroid treatment.

Keywords

• atrioventricular block
• dizziness
• hyperthyroidism.