Properties of the ideal diagnostic radiopharmaceutical

1. pure gamma emitter

2. 100 < gamma energy < 250 keV.

3. Effective half-life = 1.5 X test duration.

4. High target:nontarget ratio.

5. Minimal radiation dose to patient and Nuclear Medicine personnel

6. Patient Safety

7. Chemical Reactivity

8. Inexpensive, readily available radiopharmaceutical.

9. Simple preparation and quality control if manufactured in house.