The symptoms of Partial Atrioventricular Septal Defect with Ventricular Hypoplasia can vary depending on the severity of the defect. Common symptoms include:

-Shortness of breath
-Fatigue
-Poor feeding
-Poor weight gain
-Rapid breathing
-Heart murmur
-Bluish skin color (cyanosis)
-Swelling in the legs, abdomen, or around the eyes
-Irregular heartbeat
-Arrhythmia
-Heart failure