Matters of the Heart (IMAGE) University of British Columbia Okanagan campus Caption Atrial fibrillation is the most commonly diagnosed arrhythmia in the world. Despite that, many women do not understand the pre-diagnosis symptoms and tend to ignore them. Credit UBCO Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.