Ascites Differential Diagnosis Table - Serum Ascites Albumin Gradient (SAAG)



SAAG ≥ 1.1:

 • Cirrhosis

 • Portal vein thrombosis

 • Late budd-chiari

 • CHF

 • Constrictive pericarditis/tamponade

 • IVC obstruction

 • Early budd-chiari



SAAG < 1.1:

 • Nephrotic syndrome

 • Malignancy

 • Peritoneal carcinomatosis

 • Serositis (infection vs autoimmune)

 • Pancreatic ascites



Matthew Ho, MD PhD @MatthewHoMD



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