Diabetes Mellitus USMLE Step 1 Practice Question
A 32-year-old woman presents with episodic headaches, palpitations, diaphoresis, and anxiety over 6 months. During an acute episode, vital signs show BP 210/110 mm Hg, HR 118/min, RR 20/min, and temperature 37.2°C. Serum glucose is 156 mg/dL. Family history is significant for medullary thyroid carcinoma in her father. She denies chest pain or dyspnea. Urine metanephrines are markedly elevated. Which of the following is the most likely diagnosis?
Answer choices
- ACarcinoid syndrome
- BPanic disorder
- CHyperthyroidism
- DPheochromocytomaCorrect answer
- EPrimary hyperaldosteronism
- FParaganglioma from SDHB gene mutation
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