Many babies born with atrial septal defects have no signs or symptoms. Signs or symptoms can begin in adulthood. Atrial septal defect signs and symptoms can include:  Shortness of breath, especially when exercising Fatigue Swelling of legs, feet or belly (abdomen) Irregular heartbeats (arrhythmias) Sensation of a rapid, pounding heartbeat (palpitations) or skipped beats Whooshing sound that can be heard through a stethoscope (heart murmur) 
babies born atrial septal defects signs symptoms  signs symptoms can begin adulthood  atrial septal defect signs symptoms can include:  shortness breath  especially exercising fatigue swelling legs  feet belly (abdomen) irregular heartbeats (arrhythmias) sensation rapid  pounding heartbeat (palpitations) skipped beats whooshing sound can heard stethoscope (heart murmur) 
atrial septal defect