Iron Deficiency Anemia Flashcards
1
Q
Three stages of iron deficiency
A
- Negative iron balance
- Iron-deficient erythropoiesis
- Iron-deficiency anemia
2
Q
Marrow stores are absent when serum ferritin level is ______
A
<15ug/L
3
Q
Stage where microcytic cells first appear
A
Iron-deficient erythropoiesis
4
Q
Formula for transferrin saturation
A
(Serum iron x 100) / TIBC
5
Q
Signs of advanced tissue iron deficiency
A
Cheilosis
Koilonychia
6
Q
Most convenient lab test to estimateiron stores
A
Serum ferritin
7
Q
Normal/high serum iron, Tsat
Normal TIBC
Normal RDW
Smear: micro/hypo with targeting
A
Thalassemia
8
Q
Low serum iron High TIBC Low Tsat Low ferritin High RDW
A
IDA
9
Q
Normal micro/hypo Low serum iron Low TIBC Tsat low Ferritin normal/high
A
Anemia of inflammation/ chronic disease
10
Q
Serum iron normal to high
TIBC normal
TSAT normal to high
Ferritin normal
A
Sideroblastic anemia (myelodysplastic anemia)
11
Q
Amount of iron needed by an individual
A
Body weight (in kg) x 2.3 x (15-patient’s hgb, g/dL) +500 or 1000mg (for stores)
12
Q
Which oral iron prep (tablet) has the greatest iron content? Arrange from least to greatest Ferrous sulfate 325mg Ferrous sulfate 195mg Ferrous sulfate extended release 525mg Ferrous fumarate 325mg Ferrous fumarate 195mg Ferrous gluconate 325mg Polysaccharide iron 150mg Polysaccharide iron 50mg
A
1. Ferrous gluconate 325mg (39)
FeSO4 195mg (39)
2. Polysaccharide iron 50mg(50)
3. Ferrous fumarate 195mg (64)
4. FeSO4 325mg (65)
5. Extended release 525mg (105)
6. Ferrous fumarate 325mg (107)
7. Polysaccharide iron 150mg (150)
