Atrial flutter is a heart disorder in which the heart beats out of its normal rhythm. The condition is similar to atrial fibrillation (afib) — the most common type of arrhythmia (abnormal heartbeat) — ...

July 5, 2011 (Aarhus, Denmark) — Nonselective nonsteroidal anti-inflammatory drugs (NSAIDs) and selective COX-2 inhibitors are associated with an increased risk of atrial fibrillation or flutter, ...

Aug. 10, 2004 — A population-based study published in the Aug. 9 issue of the Archives of Internal Medicine evaluated the risk of atrial fibrillation or flutter associated with hyperthyroidism. "The ...