Doses for Commonly Used Rphxs in NM

Question 1

Tc99m ECD bisicate

Answer 1

10-20 mCi

IV

Question 2

Tc99m HMPAO exametazime

Answer 2

10-20 mCi

IV

Question 3

F-18 FDG

Answer 3

10-15 mCi

IV

Question 4

I-123 sodium iodide (oral)
Thyroid uptake/scan

Answer 4

100-400 uCi

Question 5

I-123 sodium iodide (oral)
WB imaging

Answer 5

2-5 mCi

Question 6

I-131 sodium iodide (oral)
Thyroid uptake

Answer 6

4-10 uCi

Question 7

I-131 sodium iodide (oral)
WB imaging

Answer 7

1-5 mCi

Question 8

I-131 sodium iodide (oral)
Ablation (hyperthyroidism)

Answer 8

5-30 mCi

Question 9

I-131 sodium iodide (oral)
WB cancer therapy

Answer 9

30-300 mCi

Question 10

Tc04-
Thyroid Imaging

Answer 10

2-10 mCi

IV

Question 11

Tc04-
Meckels scan

Answer 11

10-15 mCi

IV

Question 12

Tc99m labeled RBCs
MUGA
gated equilibrium cardiac blood pool
radionuclide ventriculogram

Answer 12

20-30 mCi

IV

Question 13

Tc99m labeled RBCs
GI bleed

Answer 13

20 mCi

IV

Question 14

Tc99m medronate (MDP)
Bone scan

Answer 14

10-20 mCi

IV

Question 15

Tc99m pentetate (DTPA)
Renal scan for GFR

Answer 15

10-15 mCi

IV

Question 16

Tc99m pentetate (DTPA)
Radioaerosol lung scan

Answer 16

30 mCi

inhaled/nebulizer

Question 17

Tc99m MAA
Lung perfusion

Answer 17

1-4 mCi

IV

Question 18

Xe-133
Lung ventilation

Answer 18

5-20 mCi

inhaled

Question 19

Tc99m sulfur colloid (SC)
gastric emptying

Answer 19

0.5-1 mCi

orally (usually eggs)

Question 20

Tc99m sulfur colloid (SC)
liver/spleen scan

Answer 20

5-10 mCi

IV

Question 21

Tc99m disofenin and mebrofenin
hepatobiliary scan

Answer 21

1-5 mCi

IV

Question 22

Tc99m mertiatide
Renal scan (tubule secretion)

Answer 22

5-10 mCi

IV