Objectives: Amiodarone is a commonly used antiarrhythmic drug. Hepatotoxicity following chronic oral administration occurs in 1% to 3% of patients. Hepatotoxicity following intravenous (IV) administration is infrequent but may be associated with dramatic increases in serum transaminases. We describe the incidence of liver toxicity among patients receiving IV amiodarone during…
Amiodarone is a potent antiarrhythmic drug associated with thyroid dysfunction. Its high iodine content causes inhibition of 5′-deiodinase activity. Most patients remain euthyroid. Amiodarone-induced thyrotoxicosis (AIT) or amiodarone-induced hypothyroidism (AIH) may occur depending on the iodine status of individuals and prior thyroid disease. AIT is caused by excess iodine-induced thyroid…
A 65-year-old Caucasian male with a shellfish allergy developed atrial fibrillation and hypotension after coronary artery bypass and duodenal ulcer surgery. Following electrical cardioversion, oral amiodarone was continued chronically without an allergic reaction. There is a common misconception that a shellfish allergy correlates to an iodine allergy. There is little…
Abstract:Amiodarone is increasingly prescribed for patients with ventricular and supraventricular tachyarrhythmias. Many adverse effects have been reported due to this drug and include injury to the liver, thyroid, cornea, skin, and neuromuscular system. Pulmonary toxicity is one of the more serious side effects of this anti-arrhythmic drug and is potentially…
A 47-year-old male had bilateral upper extremity thrombophlebitis after use of intravenous amiodarone for sustained ventricular tachycardia complicating myocardial infarction. Intravenous amiodarone has been widely used since it was introduced 20 years ago for severe intractable arrhythmias. Superficial thrombophlebitis was frequently noted in the early case reports when high-dose intravenous…
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