TABLE 2

Radiation Dosimetry in Adults

	Administered activity		Largest radiation dose			Effective dose^*
Radiopharmaceutical	MBq	mCi	Organ	mGy/MBq	rad/mCi	mSv/MBq	rem/mCi
^99mTc-MAA^†	40–150	1.1–4.1	Lung	0.067	0.25	0.011	0.041
^99mTc-DTPA^‡	20–40	0.54–1.1	Bladder	0.047	0.17	0.0061	0.023
¹³³Xe^§	200–750	5.4–20	Lung	0.0011	0.0041	0.00071	0.0026
^81mKr^‖	40–400	1.1–11	Lung	0.00021	0.00078	0.000027	0.0001

↵* Data are from (31).
↵† Data are from (30), page 224.
↵‡ Data are from (30), page 218.
↵§ Data are from (30), page 345, rebreathing for 5 min.
↵‖ Data are from (30), page 160.