Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

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 ...

Empagliflozin conferred improvements in parameters of left atrial function vs. placebo in patients with type 2 diabetes. These improvements may ameliorate atrial fibrillation risk. The antiarrhythmic ...

Left atrial appendage occlusion is a generally safe and effective procedure to lower the risk of stroke in people with atrial fibrillation. It closes or blocks off the left atrial appendage of the ...

The sinoatrial (SA) node is the natural pacemaker of the heart. It generates electrical impulses that cause the heart’s chambers to contract, setting the heart rate. The SA node typically generates 60 ...

The coronary sinus (CS) refers to a collection of veins that join together to form a large blood vessel. This vein is located between the left atrium and the left ventricle of the heart. A collection ...

Atrial fibrillation (AFib) makes your heart beat out of rhythm, which puts you at higher risk for a stroke from blood clots. Left atrial appendage (LAA) percutaneous closure surgery lowers your stroke ...

Researchers report that 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%. The ...

A new study has suggested that left atrial dysfunction could be a risk factor for the future development of dementia, raising the possibility of a new approach to dementia prevention. In this ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...