Case Presentation: A 31-year-old man with chronic kidney disease following failed renal transplant on hemodialysis (HD) for 3 years via arteriovenous fistula and tertiary hyperparathyroidism presented for admission following a 3.5-gland parathyroidectomy. Intraoperative PTH levels dropped from 2280 to 503 pg/mL. Postoperatively, he presented with hypocalcemia (total calcium 5.9 mg/dL; corrected calcium 6.3 mg/dL) and [...]

Case Presentation: The patient is a 63-year-old female who presented with 3 days of new-onset facial flushing, dysphagia, and diffuse left upper extremity and perioral paresthesias. She underwent a total thyroidectomy 4 days before admission for multinodular goiter with an NRAS mutation positive nodule, which carries a 75% risk of malignancy and a RYGB >10 [...]

Case Presentation: A female in her 50s with no significant past medical history presented to the emergency department with a 1-2 week history of lower extremity swelling, shortness of breath, and unintentional weight loss of 40 lbs over three years. Upon examination, her vital signs revealed a heart rate of 190 bpm and blood pressure [...]