Researchers at Cedars-Sinai Medical Center have found that patients with shortness of breath can have a higher risk of dying from cardiac disease than patients without symptoms, and even than patients with typical cardiac pain.
The sternum, commonly known as the breastbone, is a long, narrow flat bone that serves as the keystone of the rib cage and stabilizes the thoracic skeleton. Several muscles that move the arms, head, and neck have their origins on the sternum.
Sternum. The sternum, or breast bone, is a flat bone that, from superior to inferior, consists of three parts: manubrium, body, and xiphoid process (figs. 19-1 and 19-2). It is useful to remember that the manubrium and body are approximately on the level of thoracic vertebrae 3-4 and 5 to 10, respectively (see figs.