Among the most common causes of ECF volume overload are the following: Heart failure Cirrhosis Kidney failure Nephrotic syndrome Premenstrual edema Pregnancy Symptoms and Signs of Volume Overload Symptoms of volume overload are mainly those of the underlying disorder, but excess fluid may manifest as Visible and palpable pitting edema in dependent soft tissue Ascites in the abdomen Dyspnea and crackles from interstitial fluid in the lungs Increased patient weight Diagnosis of Volume Overload Clinical evaluation Diagnosis is mainly clinical.