Edema due to isotonic volume excess is characterized by weight gain, dependent edema, pitting edema, engorged neck vein, ascites, pericardial effusion, pleural effusion, increased blood pressure and congestive cardiac failure. [47] | Edema due to isotonic volume excess is characterized by weight gain, dependent edema, pitting edema, engorged neck vein, ascites, pericardial effusion, pleural effusion, increased blood pressure and congestive cardiac failure. [47] |