Table 1. Estimated fetal radiation... | American Society of Hematology

Table 1.

Estimated fetal radiation exposure with radiologic procedures

Radiologic procedure	Estimated fetal radiation exposure, rad
Bilateral venography without abdominal shield	0.628
Unilateral venography without abdominal shield	0.314
Limited venography	< 0.05
Pulmonary angiography via femoral route	0.221-0.374
Pulmonary angiography via brachial route	< 0.05
Perfusion lung scan using ^99mTc-MAA
3 mCi	0.018
1 to 2 mCi	0.006-0.012
Ventilation lung scan
Using ¹³³Xe	0.004-0.019
Using^99mTc-DTPA	0.007-0.035
Using^99mTc-SC	0.001-0.005
Chest radiograph	< 0.001

Radiologic procedure	Estimated fetal radiation exposure, rad
Bilateral venography without abdominal shield	0.628
Unilateral venography without abdominal shield	0.314
Limited venography	< 0.05
Pulmonary angiography via femoral route	0.221-0.374
Pulmonary angiography via brachial route	< 0.05
Perfusion lung scan using ^99mTc-MAA
3 mCi	0.018
1 to 2 mCi	0.006-0.012
Ventilation lung scan
Using ¹³³Xe	0.004-0.019
Using^99mTc-DTPA	0.007-0.035
Using^99mTc-SC	0.001-0.005
Chest radiograph	< 0.001

Xe indicates xenon; DTPA, diethylenetriamine penta-acidic acid; Tc, technetium.