Case Presentation: A 77-year-old male with past medical history of hypertension, hyperlipidemia, stroke, subarachnoid hemorrhage, and obstructive hydrocephalus status post ventriculoperitoneal shunt (VPS) placement presented with altered mental status and fever. A CT head showed worsening hydrocephalus. VPS was aspirated, fluid was non-infectious. Patient was empirically treated with vancomycin and zosyn for presumed sepsis. His [...]