L6 - Anemia Flashcards

1
Q

What is anemia?

A

Reduction in RBC mass

Can be acquired or congenital

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2
Q

What are the sx of anemia?

A

Fatigue, weakness, dyspnea, pre syncopal sx, pale conjunctiva, pale skin

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3
Q

What is the normal range for Hb?

A

Males 14-18

Females 12-16

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4
Q

A reticulocyte index greater than 2 indicates what?

A

Adequate bone marrow response to anemia

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5
Q

What value determines microcytic anemia?

A

<78

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6
Q

What value determines normocytic anemia?

A

78-98

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7
Q

What value determines macrocytic anemia?

A

> 98

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8
Q

What is the red cell distribution width (RDW)?

A

Measures degree of variation among size of RBCs

Increased RDW means increased variability of RBCs

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9
Q

What are some clues to hemolysis?

A
Lactate dehydrogenase (enzyme found in the blood and tissue) 
Indirect/unconjugated bilirubin (breakdown production of RBCs)
Haptoglobin (plasma protein that binds to free Hb)
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10
Q

What is ferritin?

A

Iron storage protein

Proportional to iron levels

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11
Q

What is transferrin?

A

Circulating iron transport protein (increased in IDA)

Synonymous with total iron binding capacity (TIBC)

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12
Q

What is transferrin saturation (TSAT)?

A

Serum iron/TIBC x100

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13
Q

If anemia is present and the reticulocyte count is high what does this indicate?

A

Not a supply issue
Acute blood loss or consumption issue
Increased LDH and bilirubin with decreased haptoglobin

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14
Q

What are causes of microcytic anemia?

A

IDA, thalassemia, SCD, sideroblastic anemia

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15
Q

What are causes of normocytic anemia?

A

ACD
Renal disease
Blood loss

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16
Q

What are some causes of macrocytic anemia?

A
Folate/B12 deficiency 
Hypothyroidism 
Low testosterone 
EtOH (alcoholism) 
MDS
17
Q

What are the warning signs for hypovolemic shock?

A

High pulse, low BP, pallor, tachycardia, cool extremities

18
Q

What blood type can type O patients receive?

A

Group O

19
Q

What blood type can type A patients receive?

A

Group A and O

20
Q

What blood type can type B patients receive?

A

Type B and O

21
Q

What blood type can type AB patients receive?

A

O, A, B and AB

22
Q

What types of plasma can patients with type O blood receive?

A

Group O, A, B and AB

23
Q

What type of plasma can pts with type A blood receive?

A

A and AB

24
Q

What type of plasma can patients with type B blood receive?

A

B and AB

25
Q

What type of plasma can patients with type AB blood receive?

A

AB

26
Q

Which Abs are present on type A blood?

A

Anti B

27
Q

Which Abs are present on type B blood?

A

Anti A

28
Q

Which Abs are present on type AB blood?

A

None

29
Q

Which Abs are present on type O blood?

A

Anti A and anti B

30
Q

Which antigens are present on type A blood?

A

A antigen

31
Q

Which antigens are present on type B blood?

A

Antigen B

32
Q

Which antigens are present on type AB blood?

A

A and B antigens

33
Q

Which antigens are present on type O blood?

A

None

34
Q

Which blood type is the universal recipient for plasma?

A

Type O

35
Q

Which blood type is the universal donor for RBCs?

A

Type O-

36
Q

Which blood type is the universal donor for plasma?

A

AB

37
Q

Which blood type is the universal recipient for RBCs?

A

AB+