WHAT IS BLOOD VOLUME DETERMINATION STUDIES TEST?
A nuclear medicine study of circulation dynamics in which a tracer is circulated in the blood for a period of time. Measures of diluted radioactivity are used to calculate the volume distribution of compartments and regions of the circulation. Pericardial effusions are detected by examination of the blood volumes in and around the heart. Peripheral vascular disease and thrombophlebitis are detected by examination of the rates at which the venous pools of the legs change in volume with exercise and posture changes.