Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
Jeanatope
Introduction
Jeanatope is iodinated I-125 human serum albumin, typically injected to aid in the determination of total blood and plasma volume. I-125 is a radioactive isotope of Iodine, it decays by electron capture with a physical half-life of 60.14 days. The biologic half-life in normal individuals for I-125 has been reported to be approximately 14 days.
Iodinated I-131 albumin (Volumex®, Daxor) is used for a similar purpose.