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 pump ...

For individuals without a prior history of atrial fibrillation or stroke, left atrial (LA) dysfunction is more tightly linked to risk of having an ischemic stroke than LA size, according to an ...

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 ...