Failure of two or more endocrine glands together requiring hormone replacement is termed as "Autoimmune polyglandular syndrome" (APS). The aim of this case report is to underline the possible etiological link between primary hypothyroidism and non-sustained ventricular tachycardia (NSVT) followed by ventricular premature complexes (VPC) and ventricular trigeminy, although supraventricular arrhythmias are common features of hyperthyroidism. Here we present a case of 47 years old patient with

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... titive episodes of ventricular premature complexes, with autoimmune thyroiditis that was diagnosed 3 years ago, and was on thyroxin replacement therapy, which could be an attributed risk for reactivation of arrhythmia.