An overview is given of diagnostic determinations to be carried out an
ascites fluid, and on the medical therapy as based on our knowledge o
f the pathophysiology. Paracentesis has become more frequently used. I
t is slightly more effective than therapy with high doses of diuretics
and carries less side effects. Longeterm studies are needed to invest
igate whether albumin can be safely substituted by dextran-70 or haema
ccel.