Anemia hemolíticas adquiridas Flashcards

1
Q

Provas de hemólise

A

Reticulocitose, consumo de haptoglobina, aumento DHL, BB indireta e coombs direto positivo no caso de AHAI** (TAD = TESTE DE ANTIGLOBULINA DIRETA).

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2
Q

Epidemio (2) AHAI

A

75-90% pe decorrente de formação autoanticorpos IgG e 50% das secundárias ocorre por neuplasia, doença auto-imune, infecções e drogas

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3
Q

AHAI quente

A

IgG + hemólise extravascular/macrófago-opsonização

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4
Q

AHAI frio

A

IgM + hemólise intravascular/complemento

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5
Q

Hematoscopia AHAI

A

Presença de esferócitos, palidez central na hemácia

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6
Q

Medicações associadas a AHAI

A

Metildopa*, penicilina, cetriaxona, piperacilina e AINE

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7
Q

Tratamento AHAI

A

Glicocorticoide 1-2mg/kg/dia>rituximabe ou Igg>micofenolato, ciclofosfamida, azatioprina ou esplenectomia

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8
Q

DG Hemoglobinúria Paroxística Noturna

A

Maior concentração urinária a noite, anemia hemolítica intravascular, trombose, ferropenia, COOMBS DIRETO NEGATIVO, teste de HAM e citometria de fluxo/imunofenotipagem (padrão ouro - CD55/59)

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9
Q

Tratamento HPN

A

Eculizumab

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10
Q

Hemácias em alvo/codócitos=

A

Talassemias

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11
Q

Hemácias em foice/drepanócitos=

A

Anemia falciforme

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12
Q

Hemácias em lágrima/dacriócitos=

A

Mielofibrose

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13
Q

Bite cells=

A

Deficiência G6PD

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14
Q

Esquizócito=

A

Microangiopatias

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