Sx de Marfan (4) Flashcards

1
Q

Tipo de herencia

A

Autosomico dominante

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2
Q

3 sistemas más afectados

A

Ocular, cardiaco y esquelético

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3
Q

Clinica

A
  • Px alto y deñgado
  • Aracnodactilia
  • Luxacion del cristalino (luxacion del ligamento suspensorio)
  • Pectus excavatum o carinatum
  • Aneurisma aortico
  • Neumotorax expontaneo
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4
Q

Gen mutado

A

FBN1 (cromosoma 15)

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5
Q

Criterios dx

A

Ghent

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6
Q

Signo de Steinberg o “del pulgar”

A

Es positivo cuando toda la falange distal del pulgar aducido se extiende más allá del borde cubital de la palma

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7
Q

Signo de Walker-Murdoch o “de la muñeca

A

Positivo cuando la punta del pulgar cubre toda la uña del quinto dedo cuando se envuelve alrededor de la muñeca contralateral.

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8
Q

Principal causa de mortalidad

A

Afectación aórtica (regurgitación)

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