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thalassemia
FirstAid 2010
10
Medical
Professional
03/26/2011

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Cards

Term
alpha-thalessemia deletion of 3 genes
Definition
HbH disease (beta4)
Term
alpha-thalessimia deletion of 4 genes
Definition
Hb Barts (gamma4)
Term
HbA1
Definition
alpha2beta2
Term
beta-thalassemia minor has
Definition
incr HbA2 (alpha2delta2)
Term
beta-thalassemia major has
Definition
HbF (alpha2gamma2)
Term
beta-thalassemia defect caused by
Definition
point mutations in splicing sites and promoter sequences
Term
lead poisoning inhibits
Definition
ferrochelatase and ALA dehydratase --> decr heme synth
Term
sideroblastic anemia defect in
Definition
heme synth (delta-aminolevulinic acid synthase)
Term
sideroblastic anemia tx
Definition
pyridoxine B6
Term
sideroblastic anemia labs
Definition
ringed sideroblasts (with iron laden mitochondira)
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