Anemia Flashcards

1
Q

Define glossitis

A

inflamed, sore tongue

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2
Q

Define Koilonychias

A

thin, concave, spoon-shaped nails

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3
Q

Define pica

A

craving and eating non-foods such as chalk or clay

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4
Q

Which anemia presents with glossitis, koilonychias, and pica

A

iron deficient anemia

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5
Q

What does B12 deficiency present with

A

neurologic symptoms such as peripheral neuropathies, visual disturbances, psychiatric symptoms

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6
Q

What is MCV

A

mean corpuscular volume

-reflects the size or average volume of rBCs

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7
Q

what does a low MCV mean

A

RBCs are smaller than normal (microcytic)

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8
Q

What does a high MCV mean

A

RBCs are larger than normal (macrocytic)

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9
Q

What value is microcytic MCV

A

< 80

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10
Q

cause of microcytic anemia

A

iron deficiency

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11
Q

what is normocytic MCV

A

80-100

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12
Q

What is macrocytic MCV

A

> 100

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13
Q

What causes macrocytic MCV

A

vitamin B12 or folate deficiency

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14
Q

Lab findings of iron deficient anemia

A

low Hgb, MCV <80, low RBC, low serum iron, low ferritin, low TSAT, high TIBC

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15
Q

antidote for iron overdose

A

deferoxamine

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16
Q

is iron absorbed better in basic or acidic environment

17
Q

vit C and Iron

A

vit C increases the absorption of iron by providing an acidic environment

18
Q

Define pernicious anemia

A

the most common cause of vitamin B12 deficiency due to a lack of intrinsic factor which is required for adequate vit B12 absorption in the small intesntsine

19
Q

Treatment of macrocytic anemia

A

vitamin B12 injections

20
Q

Normocytic anemia is caused by

A

acute blood loss
malignancy
CKD

21
Q

Anemia of CKD due to

A

deficiency in erythropoietin a hormone produced by the kidneys that stimulates the bone marrow to produce RBCs

22
Q

Treatment for anemia of CKD

A

ESA

iron therapy

23
Q

ESAs are ineffective if?

A

iron stores are low

24
Q

Initiate ESAs when Hgb is

25
IV route of ESAs is preferred for whom
patients on HD
26
frequency of epoetin alfa
3x/wk
27
frequency of darbepoetin
weekly
28
Define aplastic anemia
occurs when bone marrow fails to make enough RBCs, WBCs, and platelets
29
define hemolytic anemia
RBCs are destroyed and removed from the bloodstream before their normal lifespan of 120 days
30
Drugs that cause hemolytic anemia (6)
``` dapsone methylene blue primaquine pegloticase rasburicase VPA ```