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Ascites is finding that has many causes.

Most common cause: cirrhosis.[1]


  • Clinical classification is usually based on SAAG and can be divided several ways.
    • SAAG = serum albumin - ascites gradient; the concentration gradient between the ascites fluid and plasma.
  • High SAAG, AKA "transudative", > 1.1 g/dL.
    • Usually liver causes (cirrhosis, hepatic congestion).
  • Low SAAG, AKA "exudative", < 1.1 g/dL.

See also