Effective arterial blood volume, also known as EABV, is a term used to describe the amount of blood volume that is effectively circulating through the arteries. It is an important measure of the body's circulatory system and can be influenced by factors such as fluid balance, blood pressure and hormone levels. There are several synonyms for EABV, including circulating blood volume, effective blood volume, and intravascular volume. Each of these terms refers to the amount of blood volume that is actively circulating through the body's blood vessels and plays a critical role in maintaining proper blood pressure and fluid balance. By understanding the different synonyms for EABV, healthcare professionals can better diagnose and treat circulatory disorders.