Case Presentation: A 65-year-old man with a history of nasal polyps was admitted to the hospital with a lactate of 10 mmol/L (0.5-2.2 mmol/L). He reported drenching night sweats and a 10-pound weight loss over the last 2-3 months. He noted orthostatic and ambulatory dizziness, as well as left-sided tinnitus, sinus pain, and nosebleeds over [...]

Case Presentation: A 91-year-old male with a known history of benign prostatic hyperplasia (BPH), diastolic heart failure, pulmonary embolism, hypertension, and previous extended-spectrum beta-lactamase (ESBL)-producing Escherichia coli (E. coli) urinary tract infection (UTI) presented with encephalopathy. He was not tachypneic nor tachycardic, but his bicarbonate was low at less than 8, and his lactic acid [...]

Case Presentation: A 58-year-old man with a history of Lyme disease was diagnosed with babesiosis two weeks earlier, confirmed by positive Babesia Polymerase Chain Reaction (PCR), and treated with a 10-day course of azithromycin and atovaquone. He returned with fatigue and exertional dyspnea, and labs indicated worsening pancytopenia. Suspecting hemolysis and bone marrow suppression from [...]