TABLE 3.

Exposure per Millicurie During Unconstrained Period

Fractional uptakeDuration of constraint (d)
1234567
0.000.003000000
0.050.0270.0230.0200.0180.0170.0150.014
0.100.0510.0450.0400.0370.0330.0300.028
0.150.0760.0670.0610.0550.0500.0460.041
0.200.1000.0890.0810.0730.0670.0610.055
0.250.1240.1110.1010.0920.0830.0760.069
0.300.1490.1330.1210.1100.1000.0910.083
0.350.1730.1560.1410.1290.1170.1060.097
0.400.1970.1780.1620.1470.1340.1210.110
0.450.2210.2000.1820.1650.1500.1370.124
0.500.2460.2220.2020.1840.1670.1520.138
0.550.2700.2440.2220.2020.1840.1670.152
0.600.2940.2670.2420.2200.2000.1820.166
0.650.3180.2890.2630.2390.2170.1970.180
0.700.3430.3110.2830.2570.2340.2130.193
0.750.3670.3330.3030.2750.2500.2280.207
0.800.3910.3550.3230.2940.2670.2430.221
0.850.4160.3780.3430.3120.2840.2580.235
0.900.4400.4000.3630.3310.3010.2730.249
0.950.4640.4220.3840.3490.3170.2890.262
1.000.4880.4440.4040.3670.3340.3040.276
  • Values are in mSv/mCi and are derived from the equation Euc = [0.537Ue−0.095C + 0.0236(1 − U)e−2.08C], where Euc = exposure during unconstrained period, U = fractional uptake of 131I, and C = period of constrained activity. 1 mCi = 37 MBq.