The now-viral Heart Diagram video features a hand-drawn heart with some unconventional labels instead of the usual scientific terms for the chambers (atrium, ventricle), the student has written ...

What Is a Patent Foramen Ovale? The foramen ovale (feh-RAY-men oh-VAL-ee) is a normal opening between the upper two chambers (the right atrium and left atrium) of an unborn baby's heart. The foramen ...

The heart’s chambers and valves are arranged to direct the flow of ... Proper treatment requires making this distinction. Read about the anatomy of the normal coronary arteries. Finally, it is ...