About RB RB is an IT service centre for the Icelandic financial market covering all aspects of IT services: development, maintenance and operations of IT-systems. RB has been a long standing service provider for the Icelandic financial market. Our solutions are operated in multiple datacentres on robust infrastructure that is required for operations of mission critical financial systems.
Atrial septal defect signs and symptoms may include: 1  Shortness of breath, especially when exercising. 2  Fatigue. 3  Swelling of legs, feet or abdomen. 4  Heart palpitations or skipped beats. 5  Frequent lung infections. 6  Stroke. 7  Heart murmur, a whooshing sound that can be heard through a stethoscope.
Ventricular Septal Defect Overview. Ventricular septal defect is a hole in the wall between the right and left ventricles of the heart. This abnormality usually develops before birth and is found most often in infants.1  The ventricles are the 2 lower chambers of the heart. The ventricles are the 2 lower chambers of the heart. 2  The wall between them is called the septum. 3  A hole in the septum is called a septal defect. 4  If the hole is located between the upper chambers or atria, it is called an atrial septal defect.