Hypoproteinemia (or hypoproteinaemia) is a condition where there is an abnormally low level of protein in the blood. There are several causes and all result in edema once serum protein levels fall below a certain threshold. ==Causes== ==Pathophysiology== Decreased serum protein decreases the osmotic pressure of the blood, leading to loss of fluid ... Found on http://en.wikipedia.org/wiki/Hypoproteinemia