Atrial fibrillation, or AFib, is a type of irregular heartbeat. If you have this condition, you may have a higher risk for blood clots, stroke, heart failure, and other heart problems. It is also ...

The heart has four chambers: atria on the top and ventricles on the bottom. Blood flows from the veins into the right atrium, passing through the tricuspid valve into the right ventricle, which ...

Stress has been linked with poor health outcomes, though the exact mechanism remains poorly defined. Psychological stress is recognized as a contributing factor in atrial fibrillation (AFib), both in ...