There is a link between atypical heart sounds and atrial fibrillation. People with this condition have an irregular, disorganized heartbeat. Atrial fibrillation is a serious type of arrhythmia, which ...

When your electrical system is working normally, the two upper chambers of the heart (atria) contract and pump blood into the two lower chambers (ventricles) in a well-coordinated way. This results in ...

April 12, 2004 — Lone atrial flutter (ie, the occurrence of atrial flutter in patients without underlying heart disease) is associated with an increased risk of thromboembolism and subsequent ...