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.
This type of ventricular septal defect also might be part of another heart defect called an atrioventricular septal defect (AVSD). Muscular Ventricular Septal Defect This is a hole in the lower, muscular part of the ventricular septum and is the most common type of ventricular septal defect. Occurrence. In a recent study in Atlanta, the Centers for Disease Control and Prevention (CDC) estimated that 42 of every 10,000 babies born had a ventricular septal defect. 1