hematologia Flashcards

1
Q

clopidogrel

A
  • antiplaquetario
  • profarmaco contra receptor PY12
  • para afectacion coronaria
  • usa glucoproteina P y va por 2 rutas metabolicas
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2
Q

prasogrel

A
  • antiplaquetario
  • contra receptor P2Y12
  • para plaquetas
  • no es afectado por polimorfismos
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3
Q

aspirina

A
  • antiplaquetario
  • inhibe COX1 irreversible
  • para afectacion coronaria
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4
Q

vandadato

A
  • antiplaquetario
  • inhibe fosfatiosina fosfatasa
  • para contra plaquetas
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5
Q

sildenafil

A
  • antiplaquetario
  • inhibe fosfodiesterasa
  • para disfucnion erectil
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6
Q

Apixaban

A
  • anticoagulante
  • contra factor Ca
  • vida media 10-14 horas
  • para TVO
  • contraindicaciones: valvula cardiaca prostetica y embarazo
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7
Q

rivaroxaban

A
  • anticoagulante
  • contra factor Xa
  • semivida 5-9 horas
  • para TVP
  • contraindicaciones: valvula cardiaca prostetica y embarazo
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8
Q

endoxaban

A
  • anticaogulante
  • contra factor Xa
  • semivida 12 horas
  • para TVP y menos excresion renal
  • contraindicaciones: valvula cardiaca prostetica y embarazo
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9
Q

bivalirrudina

A
  • anticoagulante
  • contra trombina
  • vida media: 25 min
  • admin parenteral
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10
Q

argatroban

A
  • anticoagulante
  • contra trombina
  • vida media 40 50 min
  • admin parenteral
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11
Q

dabigatran

A
  • anticoagulante
  • contra trombina
  • vida media 12 a 17 horas
  • admin oral
  • contraindicaciones: absorcion por glucoproteina P
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12
Q

Warfarina

A
  • biodisponibilidad 100%
  • vida media de 36 h
  • usa citocromo
  • INR: bajo riesgo de coagulos
  • INR alto: riesgo de sangrado
  • contraindicacion: embarazo
  • interaccion: aspirina (aumenta efectos), antibioticos (inhiben metabolsimo),
  • antidoto: Vitamina K
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13
Q

Heparinas no fraccionada

A
  • necesita ajuste
  • usa factor Xa y Lia
  • via intravenosa: actividad inmediata, SC: actividad 2 a 4 horas
  • monitorizacion con TTP
  • no usar en embarazo
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14
Q

heparina de bajo peso molecular

A
  • ajuste de dosis
  • usa factor Xa
  • IV: actividad 2h, Sc: actividad 3 a 5 h
  • no necesita monitorizacion
  • es mas seguro para embarazo
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