Case Presentation: We present a rare case of hydralazine-induced diffuse alveolar hemorrhage (DAH) in a 74-year-old male with a history of hypertension. The patient was admitted with symptoms including hemoptysis, dyspnea, and dark urine. Initial findings included a biopsy-confirmed leukocytoclastic vasculitis, elevated MPO antibodies, and evidence of DAH on bronchoscopy. Despite the absence of glomerulonephritis, [...]

Case Presentation: An 87-year-old female with stage 4 chronic kidney disease, hypertension, and heart failure presented with concern for acute kidney injury based on outpatient laboratory studies. She had sought prior care for worsening fatigue, lightheadedness, productive cough, and decreased urine output. Lab results revealed a creatinine of 4.4 mg/dL (baseline 1.7 mg/dL) and potassium [...]