SPECIAL - Radiotracer half-life_photopeaks Flashcards
Y-90 - photopeak(s)
175 keV, 185 keV
Y-90 - half-life
64 hours
Sr-89 - half-life
50 days; technically 50.5 days
Sm-153 - half-life
46 hours
Ra-223 - half-life
11 days; technically 11.4 days
Rubidium-82 - half-life
75 seconds
N-13 - half-life
10 minutes
Tc-99m - photopeak(s)
140 keV
Tc-99m - half-life
6 hours
I-123 - photopeak(s)
159 keV
I-123 - half-life
13 hours
I-131 - photopeak(s)
365 keV
I-131 - half-life
8 days
Xe-133 - photopeak(s)
81 keV
Xe-133 - half-life
5 days
Tl-201 - photopeak(s)
135 keV, 167 keV; daughter x-rays at 71 keV
Tl-201 - half-life
73 hours
Ga-67 - photopeak(s)
90 keV, 190 keV, 290 keV, 390 keV
Ga-67 - half-life
78 hours
In-111 - photopeak(s)
173 keV, 243 keV
In-111 - half-life
67 hours
F-18 - photopeak(s)
511 keV
F-18 - half-life
110 minutes
Tc-99m MAA - particle size (V/Q scan)
10-100 micrometers
Tc-99m sulfur colloid - particle size (liver-spleen scan)
0.1-1 micrometers
Tc-99m sulfur colloid - particle size (lymphoscintigraphy)
0.1-0.2 micrometers (or 100-200 nanometers)
Y-90 - particle size
20-40 micrometers
