The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the ...

The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium and a ventricle which are two connected chambers. The atria (plural of atrium) are where the ...

This twisting results in the shape of the heart and the positioning of the atria and ventricles seen in adult amniotes. In lungfish, the heart is partially divided into a right and left atrium. The ...

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

The normal mitral valve permits unrestricted antegrade diastolic flow from the left atrium to the left ventricle (LV) and effectively seals off the atrium from the ventricle during LV systole ...

The patient was referred to a cardiac electro-physiologist for atrial flutter at age 56. Left-ventricular, right-ventricular and right-atrial size and systolic function were normal on ...

The ancient Greek philosopher and polymath Aristotle once concluded that the human heart is tri-chambered and that it was the ...

This area allows the normal stroke volume to flow from the left atrium (LA) to the left ventricle without any significant pressure gradient. When any disease process decreases the mitral valve ...

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