Learn how to perform the procedure tooβ¦
Diagnostic abdominal paracentesis (ascitic tap) is covered here!
The SAAG indirectly measures portal pressure and can be used to determine if ascites are due to portal hypertension:
SAAG= serum albumin β ascitic fluid albumin
NOTE: ensure all values are in g/L
High SAAG >11g/L causes = PORTAL HYPERTENSION
Low SAAG <11g/L causes = OTHER
Neutrophils >0.25Γ109/L = spontaneous bacterial peritonitis
Other units: >250Γ106/L; >250cells/cumm; >250cells/Β΅L
If the laboratory does not differentiate types of white cells, a WCC of >0.5Γ109/L may be used instead
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