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.
What are the dangers of atrial fibrillation? Stroke; Why does atrial fibrillation cause stroke? What are the symptoms and signs of stroke? Heart failure; What are the symptoms and signs of atrial fibrillation? Some patients with atrial fibrillation may have no symptoms. The commonest symptoms are palpitations (a fluttering sensation in the chest). Other commonly reported symptoms of atrial fibrillation are shortness of breath, tiredness, chest pain, fatigue, dizziness and even loss of consciousness (syncope). The reasons why some people with atrial fibrillation experience symptoms, while others do not, are not completely known.