Tiempos de coagulación Flashcards

1
Q

tiempo de coagulación normal

A

5-11 min

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2
Q

consiste en medir el tiempo que tarda en coagularse una muestra de sangre

A

tiempo de coagulacion

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3
Q

tiempo prolongado de coagulacion en (2)

A
  • coagulopatias
  • uso de anticoagulantes
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4
Q

tiempo de coagulación se toma en tubo de color

A

celeste

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5
Q

tiempo de retracción del coágulo

A

3hrs/ 50%

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6
Q

factores de interferencia en tiempo de retracción del coágulo (3)

A
  • disminución de plaquetas <100 mil
  • hipofibrinogenemia no se retrae
  • poliglobulia
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7
Q

tiempo de protrombina (TP) evalúa via (2)

A

extrínseca y común

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8
Q

TP muestra en tubo tapa

A

azul

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9
Q

TP normal

A

11 a 12.5 seg

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10
Q

factores de coagulación que evalúa TP (5)

A

I, II, V, VII, X

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11
Q

INR se mide

A

TP paciente / TP normal = 0.9 a 1.1

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12
Q

enfermedades relacionadas con TP prolongado (7)

A
  • enfermedad hepatica
  • def hereditaria de factor II, V, VII, X
  • def de vit K
  • obstrucción de conductos biliares (no se absorbe vit K)
  • transfusión masiva
  • consumo de warfarina
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13
Q

TTPa

A
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