Symptoms of serious heart problems present at birth (congenital heart defects) often appear during the first few days, weeks or months of a child's life. Symptoms of a ventricular septal defect (VSD) depend on the size of the hole and if there are any other heart problems. A small VSD may never cause symptoms. VSD In general, VSD symptoms in a baby may include: VSD 
Poor eating
Slow or no physical growth (failure to thrive)
Fast breathing or breathlessness
Easy tiring
Whooshing sound when listening to the heart with a stethoscope (heart murmur)
 Symptoms of a ventricular septal defect in adults may include: 
Shortness of breath, especially when exercising
Whooshing sound when listening to the heart with a stethoscope (heart murmur)
