Also called<unk>  poisoning,<unk>  toxicity, or<unk>  sickness.
Acute illness caused by exposure to high doses (at least 1 Gy) of ionizing<unk>  over a short period of time.
1 Gray (Gy) = 100 rads
Generally requires exposure of whole body (or most of the body)
Fast-replicating cell lines most affected - GI, lymphohematopoietic, spermatocytes
Healthcare providers should use isolation precautions and decontamination procedures
Geiger counters may be useful in identifying contamination
1 Gray (Gy) = 100 rads
Geiger counters may be useful in identifying contamination
Acute radiation syndrome
Radiation exposure 
Epidural compression syndromes
Dirty bomb
Acute mountain sickness
Bioterrorism
Decompression sickness
Chemical weapons