What are the symptoms of TE fistula or esophageal atresia? Frothy, white bubbles in the mouth. Coughing or choking when feeding. Vomiting. Blue color of the skin, especially when the baby is feeding. Trouble breathing. Very round, full stomach. How is a tracheoesophageal fistula diagnosed? How is tracheoesophageal fistula diagnosed?Read More →