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Anemia

Terms in this set (97)

Definition of Anemia
number of erythrocytes (RBC's)

quantity of hemoglobin

ratio of packed RBC's to total blood volume (hematocrit)
RBC function
tranport oxygen from lungs to systemic tissues

carry carbon dioxide from the tissues to the lungs
cause of anemia
Anemia: decrease in RBC production
-deficient nutrients (iron, cobalamin, folic acid)
- decreased erythropoietin
-decrease iron availability
cause of anemia- blood loss
chronic hemorrhage
- duodenal ulcer
-colorectal cancer
-liver disease

-acute trauma
-ruptured aortic aneurysm
-GI bleedings
cause of anemia- increased RBC destruction
hemolysis
-sickle cell disease
-medication (methyldopa)
-incompatible blood
-trauma
is anemia a spefici disease?
no, manifestation of pathological process
anemia is classified by laboratory review of... (3)
CBC
reticulocyte count
peripheral blood smear
once anemia is identified...
further investigation is done to determine its specific cause
morphologic anemia is based on..
cellular characteristics
-descriptive, objective laboratory information
- based on erythrocyte size and color
etiology of anemia
underlying cause
Hgb for 15years to adult
female: 11.7-15.5
male: 13.2-17.3

older adults
female:11.7-16.1
male: 12.6-17.4

All: 11-17
hematocrit 15 years to adult
female: 33-45
male: 38-51

older adults
female: 34-46
male: 36-52

All: 33-52
clinical manifestations are caused by
the bodys response tot issue hypoxia
what value is used to determine the severity of anemia?
HgB
mild anemia
What is the HgB?
Symptoms?
HgB 10-12
- may have no symptoms
-mild fatigue, dyspnea, palpitations
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