Case Presentation: A 20-day-old female former full-term, appropriate for gestational age infant presented to the pediatrician’s office for her first checkup. She was born via uncomplicated vaginal delivery following a normal pregnancy and had normal newborn screening results. She was exclusively breastfed. She was found to be 27% below birth weight and was therefore urgently [...]

Case Presentation: The following case describes the excessive use of calcium carbonate (Tums) as a cause of recurrent episodes of pancreatitis. A 39-year-old female presented to the emergency department with severe epigastric pain radiating to her back. The pain was exacerbated by oral intake and was associated with nausea, vomiting, and constipation. Her past medical [...]

Case Presentation: A 68-year-old male with hypertension and benign prostatic hyperplasia presented with progressive abdominal distension and pain. He denied fever, weight loss, gastrointestinal bleeding, or any history of gastrointestinal diseases. Physical examination revealed a distended, non-tender abdomen with normal bowel sounds.Laboratory tests showed elevated lactate dehydrogenase (LDH) at 750 U/L, hyperuricemia at 9.0 mg/dL, [...]

Case Presentation: A 33-year-old man with end-stage renal disease status post renal transplant was readmitted to the hospital with recurrent acute kidney injury (AKI).During his first admission, he reported a few weeks of nonproductive cough, dyspnea, congestion, chills, and recent nausea with vomiting. He was afebrile with normal vital signs and normal SpO2. Respiratory panel [...]

Case Presentation: We report the case of a 45-year-old female with stage IA triple-negative breast cancer treated with neoadjuvant chemotherapy and pembrolizumab who developed secondary adrenal insufficiency due to adrenocorticotropic hormone (ACTH) deficiency six months after stopping the immune checkpoint inhibitor. She presented with persistent nausea, vomiting, weight loss, and altered mental status. Laboratory results [...]

Case Presentation: A 76-year-old man with a history of epilepsy and prior stroke was admitted to the hospital medicine service for rhabdomyolysis complicated by renal failure requiring hemodialysis. His hospitalization was notable for persistent hypocalcemia requiring aggressive repletion despite hemodialysis, and he was discharged on calcium and vitamin D supplementation with normalization of renal function [...]

Case Presentation: Hypercalcemia can have adverse effects on the body. Rarely a sign in and of itself, its presence is characteristically associated with an underlying condition. There are usual suspects to consider in the differential but when workup for those return unremarkable, it becomes a challenge to find the underlying etiology.An 80-year-old female with a [...]

Case Presentation: A 68-year-old Jamaican woman presented with generalized fatigue of one-week duration. On presentation, she also had dizziness and constipation. She was tachycardic and lethargic on examination. Laboratory values were remarkable for hypercalcemia of 17.3 mg/dl. She had lymphocytosis as high as 77000 (ALC 42.6). Serum lactate dehydrogenase (LDH) was 7000 U/L. Peripheral flow [...]

Case Presentation: An 81-year-old man with a history of urothelial carcinoma treated 10 months ago with right radical cystoprostatectomy and nephroureterectomy with ileal conduit followed by seven cycles of adjuvant atezolizumab and tiragolumab, two immune checkpoint inhibitors (ICI), was admitted with malaise, anorexia, and fever for 2 months. His past medical history included left lung [...]

Case Presentation: A 44-year-old African American male with a medical history of human immunodeficiency virus (HIV) and chronic kidney disease (CKD) presented to the hospital with nonspecific complaints, including flank pain. Initial laboratory tests and imaging studies confirmed a diagnosis of nephrolithiasis and acute kidney injury with concomitant hypercalcemia. The patient was hospitalized and treated [...]