Guidelines for Iodine Prophylaxis following Nuclear Accidents

Guidelines for iodine prophylaxis following nuclear accidents1999 updateAnnex 2GLOSSARY OF TERMS AND ACRONYMSTermsAccidentAny unintended event, including operatingerrors, equipment failures or other mishaps,the consequences or potential consequencesof which are not negligible from the point ofview of protection or safety.Autoimmune thyroiditis A chronic inflammatory disease of the thyroidgland with anti-thyroid antibodies present inthe blood (Hashimoto’s thyroiditis). Oftenleads to hypothyroidism.Avertable doseBasic safetystandardsDermatitisherpetiformisDeterministic effectDosageThe dose to be saved by a protective action;that is, the difference between the dose to beexpected with the protective action and thatto be expected without it.A comprehensive set of standards forradiological protection and the safety ofradiation sources, agreed between variousinternational organizations, including WHOand IAEA, for international application.A chronic skin manifestation of glutensensitivity (coeliac disease) with clusters ofitching papules, vesicles and crusts, mostlyon the knees, elbows or buttocks.A radiation effect for which generally athreshold level of dose exists above whichthe severity of the effect is greater for ahigher dose (see also stochastic effect).Schedule for administration of a medicalpreparation (e.g. potassium iodide) in aprescribed amount.26