case_images: PMC10311634_01
case_images: Photograph of the patient on admission showing an enlarged and homogeneous thyroid.
case_images: fped-11-1213040-g001.jpg
case_images: PMC10311634_01_fped-11-1213040-g001.jpg
case_images: F1
case_images: Repeat examination on admission revealed thyromegaly (Figure 1) and a holosystolic murmur best heard at the apex, without hepatomegaly or adventitious lung sounds.
case_images: The patient's thyroid hormone levels (free T4 and free T3) trend over time iv, intravenous; po, per os.
case_images: fped-11-1213040-g002.jpg
case_images: PMC10311634_01_fped-11-1213040-g002.jpg
case_images: F2
case_images: Potassium iodide solution (120 mg/day) was subsequently added (Figure 2). The patient's vital signs and thyroid function tests slowly improved (Figure 2). Two months after presentation, her thiamazole dose was increased for hyperthyroidism control (free T4 of 2.20 ng/dl) and then titrated as necessary on an outpatient basis (Figure 2).