Typically risk of contamination to clinicians is minimal, therefore immediate treatment of life-threatening conditions takes precedence
Aggressive supportive care is hallmark of ED management
Potassium iodide as thyroid protectant, at 130mg QD for adults, until radiation exposure ceases
Acute radiation syndrome
Radiation exposure 
Epidural compression syndromes
Dirty bomb
Acute mountain sickness
Bioterrorism
Decompression sickness
Chemical weapons