03 - classification of anemia Flashcards

1
Q

(microcytic)

  1. microcytic anemia often caused by what?
A
  1. iron def, sometimes OSS
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2
Q

macrocytic anemia indicates what?

A

that marrow is releasing immature cells

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3
Q
  1. hypochromic anemias are what?
  2. hyperchromic anemias occur when?
A
  1. RBCs contain less hemoglobin than normal (dec MCHC)
  2. NEVER!
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4
Q

(regenerative anemia)

  1. seen how many days after blood loss/destruciton?
  2. what species don’t release reticulocytes into circ?
A
  1. 2-4 days
  2. horses
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5
Q

(regenerative anemia - acute blood loss)

  1. typically see what?
  2. see what with hemangiosarcoma?
A
  1. reticulocytosis, polychromasia, and thrombocytopenia
  2. acanthocytes and schistocytes
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6
Q

(regen anemia - chronic blood loss)

  1. results in what?
  2. normally see what?
A
  1. iron def anemia
  2. dec MCV (microcytosis), increased RDW, MCHC usually normal

(keratocytes and schistocytes are common)

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7
Q

(regen anemia - destruction)

  1. IMHA - see what?
A
  1. spherocytes
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8
Q

parasites…

plus cytauxzoon felis (cats). signet-ring shaped inclusions

A
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9
Q

(regen anemia)

  1. what are causes of destruction?
A
  1. IMHA, neonatal isoerythrolysis, RBC parasites, heinz body anemia (oxidative dmg)
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10
Q

(regen anemia - destruction)

(heinz body anemia)

  1. what are some plant causes?
  2. what are some chemical causes?
  3. what condition in cats?
A
  1. onions, cabbage, kale, red maple leaves
  2. acetaminophen (cats), propylene glycol (cats), zinc, copper
  3. DM
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11
Q

(regen anemia - destruction)

more causes…

A
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12
Q

(nonregen anemia)

  1. most are micro or normocytic?

2-4. what are three causes?

A
  1. normocytic
  2. aplastic anemia (infectious agents, toxins, drugs, or estrogen)

pure red cell aplasia (decreased erythroid precursors in bone marrow)

red cell hypoplasia (infalm disease, chronic renal fialure, endocrine dz, nutritional dz)

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