Page 987 - Saunders Comprehensive Review For NCLEX-RN
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objects, such as loose paint chips,
                                                                pottery, or ceramic ware coupled with
                                                                the inhalation of lead dust in the
                                                                environment.
                                                             d. When lead enters the body, it affects
                                                                the erythrocytes, bones and teeth, and
                                                                organs and tissues, including the brain
                                                                and nervous system; the most serious
                                                                consequences are the effects on the
                                                                central nervous system.
                                             3.        Universal screening


                                                             a. Screening is recommended for children
                                                                1 to 2 years old; children at high risk
                                                                should be screened earlier.
                                                             b. Any child between the ages of 3 and 6
                                                                years who has not been screened
                                                                should be tested.
                                             4. Targeted screening
                                                             a. Targeted screening is acceptable in low-
                                                                risk areas.
                                                             b. A child at the age of 1 to 2 years (or a
                                                                child between the ages of 3 and 6 years
                                                                who has not been screened) may be
                                                                targeted for screening if determined to
                                                                be at risk.
                                             5. Blood lead level test: Used for screening and diagnosis
                                                (Table 33-1)
                                             6. Erythrocyte protoporphyrin test
                                                             a. Indicator of anemia
                                                             b. Normal value for a child: 35 mcg/100
                                                                mL of whole blood or lower

                                             7.        Chelation therapy

                                                             a. Chelation therapy removes lead from
                                                                the circulating blood and from some
                                                                organs and tissues.
                                                             b. Therapy does not counteract any effects
                                                                of the lead.
                                                             c. Medications include calcium disodium
                                                                edetate, and succimer, an oral
                                                                preparation; British anti-Lewisite is
                                                                used in conjunction with
                                                                ethylenediamine tetraacetic acid
                                                                (EDTA).
                                                             d. British anti-Lewisite is administered via
                                                                the IV route or the deep intramuscular




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