Aorta. The aorta is the body's largest artery (the blood vessels that carry oxygen-rich blood). Roughly the diameter of a garden hose, this artery extends from the aortic valve in the heart down through the chest and abdominal region, where it divides into a blood vessel that supplies each leg.
WolffâParkinsonâWhite syndrome (WPW) is one of several disorders of the electrical system of the heart that are commonly referred to as pre-excitation syndromes.olffâParkinsonâWhite syndrome (WPW) is one of several disorders of the electrical system of the heart that are commonly referred to as pre-excitation syndromes.
Wolff-Parkinson-white Syndrome, or WPW, is characterized by electrical abnormalities of the heart that are caused by electrical conduction over an accessory-wide pathway (a microscopic, hair-like electrical connection between the upper and lower chambers of the heart, atria and ventricles, respectably).