Exposure Dose (Gy) |
Prodrome Severity |
Manifest Illness - Symptom Severity |
Prognosis |
Hematologic |
Gastrointestinal |
Neurologic |
0.5 to 1.0 |
+ |
+ |
0 |
0 |
Survival almost certain |
1.0 to 2.0 |
+/++ |
+ |
0 |
0 |
Survival >90 percent |
2.0 to 3.5 |
++ |
++ |
0 |
0 |
Probable survival |
3.5 to 5.5 |
+++ |
+++ |
+ |
0 |
Death in 50% at 3.5 to 6 wks |
5.5 to 7.5 |
+++ |
+++ |
++ |
0 |
Death probable in 2-3 wks |
7.5 to 10 |
+++ |
+++ |
+++ |
0* |
Death probable in 1-2.5 wks |
10 to 20 |
+++ |
+++ |
+++ |
+++ |
Death certain in 5-12 days |
> 20 |
+++ |
+++ |
+++ |
+++** |
Death certain in 2-5 days |
Abbreviations:
Gy: dose in gray;
0: no effects;
+: mild;
++: moderate;
+++: severe or marked
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* Hypotension
** Also cardiovascular collapse, fever, shock
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Modified from: Waselenko, JK, MacVittie, TJ, Blakely, WF, et al. Medical management of the acute radiation syndrome: Recommendations of the strategic national stockpile radiation working group. Ann Int Med 2004; 140:1039.
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