Abstract

Patients with thyrotoxicosis frequently present to the emergency department with nonspecific symptoms and atrial fibrillation. Because this places patients at an increased risk of a pulmonary embolism and stroke, they often undergo further imaging involving iodinated contrast. However, the contrast can cause contrast-induced hyperthyroidism and delay definitive treatment of Graves disease, the most common cause of hyperthyroidism. This is a prevalent issue, as almost half of patients who were thyrotoxic in 1 hospital study received iodinated contrast within 2 weeks prior to an endocrine consultation.

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