Staging of Acute Radiation Syndromes (5)

Prodromal Phase: (Prodromal means running before)
Signs and symptoms include NVD, hair loss above 3 Gy (300 rads), skin erythema above 6 Gy (600 rads)
Latent Phase:
Period of no signs or symptoms
Manifest Phase:
NVD returns, hematologic syndrome, GI Syndrome, CNS syndrome signs and symptoms return to prodromal levels or worse.
Recovery Phase:
If good treatment is provided and the affect individual received less than a 10-Gy (1000 rads) dose, recovery is possible after the Manifest Phase.