People with this defect might have no symptoms at all. If the hole appears large, the baby is suspected to have symptoms of a heart failure. Common symptoms of the disease might include:
- Excessive breathlessness.
- Breathing rapidly.
- Hard breathing.
- Pale colour of the skin.
- Fast heart rate.
- Inability to gain weight.
- Frequent infections with respiration.
- Tendency of sweating while feeding.