RBC Disorders Flashcards
1
Q
Rule of 3
A
HGB x 3 = HCT +/- 3
2
Q
MCV
A
RBC size
3
Q
HGB ranges
A
women- 12
men- 13.5
4
Q
Hypochromic / Hyperchromic
A
low / high MCHC
5
Q
MCHC
A
mean cell HGB concentration
6
Q
Reticulocytes
A
immature circulating RBCs
7
Q
Normocytic
A
MCV 80 - 100
8
Q
Microcytic
A
MCV <80
iron deficiency
thalassemia
9
Q
Macrocytic
A
MCV >100
B12 and folate deficiency
10
Q
Causes of Anemia
A
blood loss
impaired RBC production
accelerated RBC destruction
11
Q
Iron Deficiency Anemia
A
most common
low ferritin levels
chronic blood loss somewhere
12
Q
Most common cause of microcytic anemia
A
Iron deficiency
13
Q
Increased Reticulocytes indicates….
A
hemolysis or blood loss
14
Q
Intrinsic Factor
A
needed to absorb B12
if missing will have B12 deficiency- macrocytic anemia
15
Q
Time to depletion in folate deficiency
A
3 months