Nucs Flashcards
Half life of Tech-99m?
energy?
6 hrs
“low” 140
Half life of I-131
Energy?
8 days
“High” 365
Half life of I-123?
Energy?
13 hrs
“low” 159
Half life of Xenon-133
Energy?
5.2 days/125 hours, biologic is 30 seconds
“low” 81
Half life of F-18
Energy?
110 min
“High” 511
Which technetium radiopharmaceutical is used for Meckel’s, salivary, and thyroid?
Tc-99m sodium pertechnetate
Which technetium radiopharmaceutical is used for liver, spleen, and bone marrow?
Tc-99m sulfur colloid
Which technetium radiopharmaceutical is used for acute MI?
Tc-99m pyrophosphate
Which technetium radiopharmaceutical is used for msk?
Tc-99m diphosphonate
Which technetium radiopharmaceutical is used for pulm perfusion?
Tc-99m MAA
Which technetium radiopharmaceutical is used for GI bleed?
Tc-99m red blood cells
Which technetium radiopharmaceutical is used for measuring GFR, renal scintigraphy?
Tc-99m DTPA (diethylenetriamin-pentaacetic acid)
Which technetium radiopharmaceutical is used for renal dynamic scintigraphy?
Tc-99m MAG3 (mercaptoacetyltriglycine)
Which technetium radiopharmaceutical is used for renal cortical scintigraphy?
Tc-99m DMSA (dimercaptosuccinic acid)
Which technetium radiopharmaceutical is used for hepatobiliary scintigraphy?
Tc-99m iminodiacetic acid (IDA/HIDA derivs)
Which technetium radiopharmaceutical is used for myocardial perfusion?
Tc-99m tetrofosmin, teboroxime, and sestamibi
Which technetium radiopharmaceutical is used for cerebral perfusion?
Tc-99m HMPAO (examaetazime) and ECD (bicisate)
Which technetium radiopharmaceutical is used for WBC labeling?
Tc-99m HMPAO
Which single photon radiopharmaceutical is used for myocardial perfusion?
thallium
Which single photon radiopharmaceutical is used for inflammatory dz detection?
gallium or In-111 labeled WBCs
Which single photon radiopharmaceutical is used for pulmonary ventilation scint?
Xe-133 and Xe- 127
Which single photon radiopharmaceutical is used for graves dz and thyroid ca?
I-131
Which single photon radiopharmaceutical is used for thyroid scint., thyroid uptake fxn studies?
I-123
Which single photon radiopharmaceutical is used for adrenal medullary imaging, neural creast tumors?
MIBG (I-131, I-123 metaiodobenzyl guanidine)