The left atrium is one of the four chambers of the heart, located on the left posterior side. Its primary roles are to act as a holding chamber for blood returning from the lungs and to act as a ...

The majority of strokes in patients with atrial fibrillation (AF) are caused by formation of thrombi in the left atrial appendage (LAA). Surgical closure the LAA orifice has emerged as a promising ...

Structural or functional abnormalities within the heart's left atrium, with or without symptoms, may increase a person's risk of developing dementia later in life by 35%, according to new research ...

If this result is confirmed, left atrial enlargement, even without fibrillation, could become a target for anticoagulation in secondary stroke prevention, subgroup analysis of NAVIGATE ESUS suggests.