A previously healthy 14-year-old female complains of a fast heart rate, weight loss, and fatigue over the past 2 months. Her family history is significant for a grandmother and aunt with Hashimoto thyroiditis. Exam: VS T 37, HR 110, R 22, BP 120/50. On exam, she is comfortable without diaphoresis. She has a mild tachycardia without murmurs or gallop. She is found to have a smooth goiter with a bruit, a mild tremor, and exaggerated DTRs.
Labs: Elevated T4, undetectable TSH. Thyroid stimulating immunoglobulin assay is positive. What can be the diagnosis? What should be the treatment course? *This case is from Docplexus Editorial Team for educative purpose only.
