A Case of Amiodarone-Induced Thyrotoxicosis A diagnostic and therapeutic dilemma
Journal Title: Sultan Qaboos University Medical Journal - Year 2009, Vol 9, Issue 3
Abstract
Amiodarone is an iodine rich agent widely used for the treatment of ventricular arrhythmias, paroxysmal supraventricular tachycardia, atrial fbrillation and flutter. However 14-18% of patients treated with amiodarone develop overt thyroid dysfunction in the form of either amiodarone-induced thyrotoxicosis (AIT) or amiodaroneinduced hypothyroidism (AIH). Two different types of AIT have been recognised and designated as Type 1 and Type 2. Distinguishing between the two is often difcult, but necessary for instituting appropriate treatment. We report a case of a 56 year-old male patient who was started on amiodarone for atrial fbrillation and then developed AIT. Te challenges in the diagnosis and management of these patients are discussed.
Authors and Affiliations
Sudheer Ahamed PS| Armidale Rural Referral Hospital, Armidale, NSW 2350, Australia, Abe Mathew| Armidale Rural Referral Hospital, Armidale, NSW 2350, Australia
Keywords
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