TABLE 12

Radiation Dosimetry: Adults^*

	Largest radiation dose			Effective dose		Administered activity
Radiopharmaceutical	Organ	mGy/MBq	rad/mCi	mSv/MBq	rem/mCi	MBq	mCi	Relative radiation level
^99mTc-sestamibi, rest^*	Gallbladder	0.039	0.14	0.009	0.033	296–444	8–12
^99mTc-sestamibi, stress^*	Gallbladder	0.033	0.12	0.0079	0.029	888–1,332	24–36
^99mTc-tetrofosmin, rest^†	Gallbladder	0.027	0.10	0.0069	0.026	296–444	8–12
^99mTc-tetrofosmin, exercise^†	Gallbladder	0.027	0.10	0.0069	0.026	888–1,332	24–36
²⁰¹Tl^†	Kidneys	0.48	1.8	0.14	0.52	111–185	3–5
⁸²Rb^‡	Kidneys	0.0093	0.034	0.0017	0.0063	370–2,220	10–60
¹³N-ammonia^§	Urinary bladder	0.0081	0.030	0.0027	0.010	370–925	10–25
¹⁸F-FDG^†	Urinary bladder	0.13	0.48	0.019	0.070	185–555	5–15
Scout CT	—			—		—
CTAC	—			—		—
Coronary artery calcium score	—			—		—
Coronary CTA	—			—		—

↵* ICRP 80 (146).
↵† ICRP 106 (147).
↵‡ Stabin (148).
↵§ ICRP 53 (149).
Relative radiation level is as defined by ACR: = 0.1–1.0 mSv; = 1–10 mSv; =10–30 mSv.