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Expectedhealtheffectsforanadultassumingthecumulativetotalradiationexposurewasallreceivedwithinawee stime.Forchildren,theeffectscanbeexpectedathalfthesedoselevels.

TOTALEXPOSURE ONSET&DURATIONOFINITIALSYMPTOMS&DISPOSITION

30to70R From6-12hours:nonetoslightincidenceoftransientheadacheandnausea;

vomitinginupto5percentofpersonnelinupperpartofdoserange.Mild

lymphocytedepressionwithin24hours.Fullrecoveryexpected.(Fetusdamage

possiblefrom50Randabove.)

70to150R From2-20hours:transientmildnauseaandvomitingin5to30percentof

personnel.Potentialfordelayedtraumaticandsurgicalwoundhealing,

minimalclinicaleffect.Moderatedropinlymphocycte,platelet,and

granulocytecounts.Increasedsusceptibilitytoopportunisticpathogens.

Fullrecoveryexpected.

150to300R From2hourstothreedays:transienttomoderatenauseaandvomitingin

20to70percent;mildtomoderatefatigabilityandwea nessin25to60

percentofpersonnel.At3to5wee s:medicalcarerequiredfor10to50%.

Athighendofrange,deathmayoccurtomaximum10%.Anticipatedmedical

problemsincludeinfection,bleeding,andfever.Woundingorburnswill

geometricallyincreasemorbidityandmortality.

300to530R From2hourstothreedays:transienttomoderatenauseaandvomitingin50

to90percent;mildtomoderatefatigabilityin50to90percentofpersonnel.

At2to5wee s:medicalcarerequiredfor10to80%.Atlowendofrange,

lessthan10%deaths;athighend,deathmayoccurformorethan50%.

Anticipatedmedicalproblemsincludefrequentdiarrhealstools,anorexia,

increasedfluidloss,ulceration.Increasedinfectionsusceptibilityduring

immunocompromisedtime-frame.Moderatetoseverelossoflymphocytes.

Hairlossafter14days.

530to830R From2hourstotwodays:moderatetoseverenauseaandvomitingin80to

100percentofpersonnel;From2hourstosixwee s:moderatetosevere

fatigabilityandwea nessin90to100percentofpersonnel.At10daysto

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5wee s:medicalcarerequiredfor50to100%.Atlowendofrange,death

mayoccurformorethan50%atsixwee s.Athighend,deathmayoccur

for99%ofpersonnel.Anticipatedmedicalproblemsincludedeveloping

pathogenicandopportunisticinfections,bleeding,fever,lossofappetite,

GIulcerations,bloodydiarrhea,severefluidandelectrolyteshifts,capillary

lea ,hypotension.Combinedwithanysignificantphysicaltrauma,survival

rateswillapproachzero.

830RPlus From30minutesto2days:severenausea,vomiting,fatigability,wea ness,

dizziness,anddisorientation;moderatetoseverefluidimbalanceandheadache.

Bonemarrowtotaldepletionwithindays.CNSsymptomsarepredominantat

higherradiationlevels.Few,ifany,survivorsevenwithaggressiveand

immediatemedicalattention.