A unilateral and incomplete line indicates the least severe case of cardiovascular disease, while a complete bilateral line ...

Although lack of vessels suggests impaired collateral flow, an increase in vessel prominence suggests hyperemia that probably corresponds to increased cerebral blood volume. A second objective of ...

Collateral circulation is the body's way of ... Over time, the plaque narrows the arteries decreasing blood flow through them. When the blood flow decreases enough, the heart muscle does not ...