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Table 3 Studies reporting fetal doses for ventilation scintigraphy (nfs not further specified)

From: Imaging for suspected pulmonary embolism in pregnancy—what about the fetal dose? A comprehensive review of the literature

Author Fetal dose (mGy)
1st trimester 2nd trimester 3rd trimester Activity Radionuclide Specials
Nijkeuter 2004 [24] 0.0001 Trimester nfs   600 MBq 81mKr-aerosol gas 2 min rebreathing
Hurwitz 2006 [21] 0.15 0.02 370 MBq 133Xe-aerosol gas 5 min rebreathing
Hurwitz 2006 [21] 0.04 0.01 740 MBq 133Xe-aerosol gas Breathhold
Russel 1997 [38] 0.000015–0.000048 Trimester nfs   nfs 133Xe-aerosol gas Rebreathing
NRPB 1993 [30] 1.5 Trimester nfs   nfs 99mTc-aerosol
ICRP 2000 [29] 0.1–0.3 0.1 40 MBq 99mTc-aerosol
Russel 1997 [38] 0.17 0.092 0.12 40 MBq 99mTc-aerosol