The phenomenon of pathological arteriovenous junction is a rare circulatory abnormal formation - a random connection of arteries and veins, which is associated with a violation of the structure of blood vessels and the development of secondary disorders in tissues.
The term was first used in 1961 by the Austrian cardiologist Ralf SALUS and the Danish pathologist Paul KETTE.
They described it during a study of a patient suffering from arteriovenous malformation, which occurs