Medically reviewed by Richard N. Fogoros, MD The right atrium is one of the heart's upper chambers that plays a role in blood ...

A novel transcatheter-implanted system that shunts blood flow from the left to right atrium through the coronary sinus has ...

Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...

When right atrial enlargement occurs, it does not take longer for cardiac action potentials to travel through the atrial myocardium (similar to left atrial enlargement). However, the amplitude of ...

Women are more likely to have pulmonary arterial hypertension, but men tend to have worse outcomes and worse treatment responses.

Atypical atrial flutter originates from the left atrium or areas in the right atrium, such as surgical scars, and has a variable appearance on ECG in regards to the flutter waves.

The atria (plural of atrium) are where the blood collects when it enters the heart. The ventricles pump the blood out of the heart to the lungs or around the body. The septum separates the right ...

Oxygen-poor blood (shown in blue) flows from the body into the right atrium. Blood flows through the right atrium into the right ventricle. The right ventricle pumps the blood to the lungs ...