Blood Volume or Plasma Volume

This procedure measures blood volume. The procedure will take one-and-a-half hours.

Test Preparation

You must not have had a blood transfusion in the past four weeks. Please call the department of nuclear medicine to re-schedule your appointment.

Exam Procedure

An intravenous (IV) butterfly line will be set up in your arm. A radioactive tracer will be injected through the IV. Small tubes of blood will be taken so a volume of blood can be calculated.