Recent past medical history History of recent iodated contrast medium administration 2024-02-11T09:36:11Z Iodinated contrast media commonly used in various radiologic examinations and interventional procedures results in massive iodide exposure to the thyroid gland. Whereas people with normal thyroids usually experience no ill effects, those with pre-existing thyroid disease may experience thyrotoxicosis (often referred to as thyroid storm in this context), which, if unrecognized, could lead to serious, potentially life-threatening consequences, including atrial arrhythmias, heart failure, pulmonary arterial hypertension, cerebrovascular and pulmonary embolism, and cardiomyopathy. Medical history of recent iodinated or radioiodine contrast use.