RIGHT-SIDED CONGESTIVE HEART FAILURE - An weakening of the right ventricle that results in the back up of blood in the venous system, liver, GI tract, and extremities. The causes of this condition include left-sided congestive heart failure, emphysema, valvular heart disease, cardiomyopathy, anemia, hyperthyroidism, cor pulmonale, and congenital heart disease. Risk factors include diabetes, alcoholism, obesity, and smoking. Symptoms include swelling of the feet and ankles, nocturia, increased distention of neck veins, fatigue, weakness, and fainting, Ascites, arrhythmias, and pleural effusions are complications of right-sided CHF.