👉 Intravascularly is a medical term used to describe the process of blood vessels in the body becoming smaller and less dilated, often due to an increase in fluid or blood volume. This can occur during surgery, as the surgeon may need to reduce the diameter of veins or arteries to allow more blood flow into the surgical site. Intravascularly is also sometimes used to describe the process of blood vessels closing down, such as after a heart attack or stroke, where the narrowed blood vessels