Pediatric emergency medicine trisk 1981 1981
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death. The patient is susceptible to infection due to lack of granulocytes and
because pathogens can readily enter the body across the damaged GI tract lining.
At dose levels of more than 50 Gy, the cardiovascular/neurovascular syndrome
predominates. There is almost immediate nausea, vomiting, prostration,
hypotension, ataxia, and convulsions. The permeability of blood vessels increases
and there is brain edema and hypotension caused by the difficulty of maintaining
a normal intravascular space. Death usually occurs within 1 to 4 days.
TABLE 90.14
ACUTE RADIATION SYNDROME—SYMPTOMS
Prodromal (0–2 a )
Latent (2–20 a )
Fatigue
Nausea and vomiting
Generally asymptomatic Sepsis
Bleeding
Diarrhea
Diarrhea
Headache
Dizziness
a Days
after exposure.
Manifest illness (21–60
a)
