Peds Heme/Onc Flashcards
1
Q
Aplastic anemia- Eti
A
- Idiopathic most common- defects in hematopoietic stem cells & DNA repair
2
Q
Aplastic anemia- Sx
A
- Weakness & fatigue
- Vulnerability to infections
- Mucosal & skin bleeding
- Pallor, purpura & petechiae
- NO hepatosplenomegaly, lymphadenopathy
3
Q
Aplastic anemia- Dx
A
- Pancytopenia
- BM biopsy- scant progeitors
4
Q
Aplastic anemia- Tx
A
- Equine ATG
- Bone marrow transplant
5
Q
Thalassemia- Eti
A
- Hereditary disorder
- Redcution in globin chains, reducing hemoglobin synthesis
Alpha & Beta - Alpha in SE asia/ china, blacks
- Beta- mediterranean
6
Q
Thalassemia- Sx
A
- Microcytic anemia
Alpha- Asymptomatic to chronic hemolytic anemia - Beta- Severe anemia, growth failure, bony deformaties
7
Q
Thalassemia- Dx
A
- Increased RBC count
8
Q
Thalassemia- Tx
A
- Folate & blood transfusion
- Splenectomy with hypersplenism
9
Q
Sickle cell- Eti
A
- Autosomal recessive
- Sickling of RBCs due to aa substitution
- American blacks
- Onset in first year of life
10
Q
Sickle cell- Sx
A
- Chronic hemolytic anemia
- Pain in bones and chest, produce low grade fever
- Vaso-occlusion
11
Q
Sickle cell- Dx
A
- Genetic testing & peripheral blood smear
- Hemoglobin electrophoresis
12
Q
Sickle cell- Tx
A
- Folic acid
- Hodroxyurea
13
Q
Iron deficiency anemia- Eti
A
- Low serum ferritin
- Most common cause of anemia worldwide
- Due to bleeding, celiac sprue, deficient diet
14
Q
Iron deficiency anemia- Sx
A
- Microcytic anemia
- Fatigue, dyspnea, palpitations, tachypnea on exertion
- Smooth tounge, brittle nails, spooning
- Pica
15
Q
Iron deficiency anemia- Dx
A
- Serum ferritin
16
Q
Iron deficiency anemia- Tx
A
Iron supplementation
17
Q
G6PD deficiency- Eti
A
Sporatic hemolysis with drugs/ fav beans
- Asian & africans
- Protects from malaria
18
Q
G6PD deficiency- Sx
A
X-linked
- Episodic hemolysis with oxidant stress
- Pallor, jaundice, hyperbilirubinemia