“…While cirrhosis is a major risk factor for SBP, the condition can also occur with other conditions that lead to ascites, such as heart failure, nephrotic syndrome, Budd-Chiari syndrome, and extrahepatic portal venous obstruction. [6][7][8][9] Patients often present with fever or hypothermia, chills, and abdominal pain, but approximately 30% of patients with SBP are asymptomatic, defined as lack of abdominal pain, fever, or rise in white blood cell (WBC) count above baseline. Ascites fluid analysis, with a diagnostic threshold of PMN count .250, is sufficient for diagnosing SBP since ascitic fluid cultures are frequently nondiagnostic.…”