Search Results

Juvenile Arthritis and Other Rheumatic Diseases What are juvenile arthritis and other rheumatic diseases in children? Arthritis is an inflammation of the joints that causes pain and swelling. Juvenile arthritis is the term used for arthritis in children. The most common form of

Juvenile Dermatomyositis What is juvenile dermatomyositis? Juvenile dermatomyositis (JDM) is a rare autoimmune disease that causes inflammation of the blood vessels, muscles, and skin. It's different from other muscle diseases because it also causes skin problems. Symptoms often

About the Heart and Blood Vessels The heart is the hardest working muscle in the human body. Located almost in the center of the chest, a healthy adult heart is the size of a clenched adult fist. By age 70, the human heart will beat more than 2.5 billion times. The heart is

Heart Defects Causing Extra Blood Flow Through the Lungs Click on the links below to learn more about these topics. Patent Ductus Arteriosus (PDA) Atrial Septal Defect (ASD) Ventricular Septal Defect (VSD) Atrioventricular Canal (AV Canal or AVC)© 2000-2026 The StayWell Company