Restitution 2 Flashcards

1
Q

De quoi dépendent la gravité du tableau et l’urgence thérapeutique ?

A
  • taux d’Hb
  • rapidité d’installation
  • terrain
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2
Q

Volume sanguin total

A

45 % Volume globulaire (GR et érythrocytes) + 55% volume plasmatique (plasma et protéines)

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3
Q

Etapes à suivre devant une anémie

A

1 - numération (=comptage)
2 - Etude des paramètres (VGM, CCMH, TCMH)
3 - étude cytologique sur frottis

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4
Q

Anémie micro/normocytaire hypochrome

A

arégénérative centrale

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5
Q

Rôle de l’hepcidine

A

empêche le fer de sortir des macrophages
augmentation de la ferritine = stockage du fer

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6
Q

Carence en B9 ou B12

A

anémie macrocytaire normochrome arégénérative

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7
Q

Absorption de B9

A

jéjunum

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8
Q

Absorption de B12

A

iléon

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9
Q

Déficit en B12

A

neuro-spécifique

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10
Q

Anémie normo/macrocytaire régénératives

A
  • saignements
  • hémolyse
    ↗ reticulocytes + VGM
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11
Q

Dosage en cas d’hémolyse

A
  • billirubine
  • haptoglobine
  • LDH
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12
Q

Calcul de l’hémoglobine

A

CCMH x Hématocrite

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13
Q

Hémolyse majoritaire

A

intra-tissulaire

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