Hem/Onc Flashcards
(175 cards)
At how many weeks of life does physiologic anemia occur?
6-9 weeks of life
*Hgb will naturally drop at this time
Premature infants are more prone to the development of anemia because their RBCs have a?
shorter life span
What anemia is associated with jaundice and hyperbilirubinemia in an infant?
hemolytic anemia
At what age does anemia associated with hemoglobinopathies develop?
3-6 months of age
Low MCV =
microcytic anemia
Examples of microcytic anemias include ____ and _____
IDA and Thalessemia
What etiologies will show anemia with a normal MCV?
*H___ ___
*B___ ____
*i_____
*m_____
hemolytic anemia
blood loss
infection
medication
high MCV =
macrocytic anemias
Etiologies for macrocytic anemias include?
*___ deficiency
*____ deficiency
*h______
B12 deficiency
folate deficiency
hyperthyroidism
A high reticulocyte count is indicative of
*H____
*B____
*H_______
hemolysis
bleeding
hemoglobinopathies
A low reticulocyte count indicates the bone marrow is?
A low reticulocyte count may also be due to ____ poisoning.
No working well
Lead poisoning
Evidence of hemolysis include
*J____
*U____ ____ changes
*S___ I______
jaundice
urine color changes
scleral icterus
High retic + Low MCV =
H____
hemoglobinopathy
high retic + normal MCV =
D
I
B___ ____
DIC, Infection, Blood loss
Low MCV =
I___
L____
T_____
IDA
Lead toxicity
thalessemia
High MCV =
A_____ ____
I___ ____
aplastic anemia/crisis
immune disorder
In what type of anemia is there hematopoiesis failure secondary to immune-mediated destruction?
Aplastic anemia
Aplastic anemia occurs in what age groups?
10-20 YOA
Aplastic anemia CBC findings will show?
pancytopenia without blasts
+
low or absent retic
Blood products for children with aplastic anemia should be?
CMV -, irradiated, and leukocyte reduced
Is BMT a possibility for children with aplastic anemia?
Yes
What anemia presents with decreased or absent Hb beta-globin and increased alpha?
Beta thalassemia
beta thalassemia is characterized as a _____ ____ anemia
chronic hemolytic anemia
Children with beta thalassemia are at increased risk for?
iron overload