There are many causes of jugular vein anger and tests need to be completed to identify the primary cause.
Common causes include various organic diseases that cause right heart failure, such as chronic pulmonary heart disease and rheumatic heart disease; pericardial diseases such as pericardial effusion and constrictive pericarditis; and superior vena cava syndrome, all of which have in common an obstruction to superior vena cava flow, causing jugular vein stasis and increased venous pressure, which in turn causes jugular vein irritation.