A 55-year-old woman presented to the endocrinologist with weight loss, diarrhea, and palpitations. She had a history of type 2 diabetes mellitus, obesity, depression, and hyperlipidemia. The patient was on α-adrenergic receptor antagonists and calcium channel blockers for her hypertension. Laboratory test results TSH <0.10 (normal: 0.34 to 4.82) µlU/ml Free T4 concentration: 4.28 (normal: 0.6 to 1.6) ng/dL I 123 thyroid scan revealed Graves’ disease, for which she was given radioactive iodine therapy (11.9 mCi).
Ten days later, the patient presented with complaints of diffuse abdominal pain, light-headedness, and bilious emesis. Examination The patient appeared pale and bradycardic. Blood pressure: 77/44 mmHg Temperature: 39.4°C ECG revealed accelerated junctional rhythm (53 beats/min). The patient was given intravenous atropine, and external…
