Case Presentation: A 12-year-old girl presented to her pediatrician with 1.5 weeks of constant, non-exertional, nighttime chest pain and dyspnea. Initial chest x-ray was negative, electrocardiogram (EKG) showed sinus tachycardia and ST changes prompting urgent referral to a cardiology clinic, where repeat EKG showed persistent sinus tachycardia, diffuse ST elevations, and reciprocal PR depression consistent [...]

Case Presentation: A 77-year-old male with history of hypertension, hyperlipidemia, type 2 diabetes mellitus, and chronic kidney disease (stage 3a) presented with generalized weakness and fatigue. He denied other symptoms, including myalgias, cold intolerance, or oliguria. Laboratory evaluation revealed blood urea nitrogen (BUN) of 56.9 mg/dL, serum creatinine (SCr) of 5.93 mg/dL, and glomerular filtration [...]