laboratory animals that is preceded by hyper-excitability, ataxia,
respiratory distress,

and intermittent stupor.

this syndrome are uniformly fatal.

This syndrome has been observed in a

few casualties described by Hubner et al. (2),
were

to survive the CNS syndrome,

‘

-

Doses capable of producing

If an occasional person

the individual has yet

to experience

c
the

>

Gastrointestinal syndrome (GIS).
laboratory animals

th

that is preceded by hyper-excitability,

respiratory distress,

and intermittent stupor.

this syndrome are uniformly fatal.

ataxia,

th

Doses capable of producing

Ja;

This syndrome has been observed in a

few casualties described by Hubner et al.

(2).

hig

If an occasional person

are

were to survive the CNS syndrome, the individual has yet to experience the

hav

Castrointestinal syndrome (G1S}),

tts
and

The Gastrointestinal Syndrome
The GIS, when produced by doses in excess of 1500 rad, will be fatal

q

Radi

within 3-9 days in laboratory animals and probably this also applies to
human beings.
variations.

The range in survival results from species and strain

.

It is named the GIS syndrome because of the marked nausea,

vomiting, diarrhea, and denudation of the small bowel mucosa.

The severe’

and persistent GIS is a uniformly fatal syndrome in most laboratory
animals,

It was observed in Japan and described by Oughtersen and Warren

(1), and in some accidents by Hubner et al. (2).
(3), have prolonged

and plasma.

In dogs, Conard et al. sg

life by intensive administration of intravenous

fluids

It is of interest that

Nagasaki,
The Hemopoietic Syndrome
The HS is not necessarily fatal.

It is a clinical picture that

seen in the lethal range for all mammals including man.

7

ates, So. 3

The lethali

the sequelae of bone marrow

~94-.
wre es
ae

wean

Pa

fd i

levels reported represent the LDeg for

a

(1,1
Prod

e@

sury{

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