Presión intracraneal Flashcards

1
Q

Flujo sanguineo 2 arteria principales

A

carotidas y vertebrales

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2
Q

Cual es el flujo sanguineo cerebral normal

A

50-60ml cada 100gr de tejido por min

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3
Q

Flujo sanguineo normal para todo el encéfalo

A

750-900ml/min

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4
Q

Regulado por

A
  • CO2

- Concentracion de H+

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5
Q

Aunmento de iones H+ ocasiona la ______

A

vasodilatacion

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6
Q

Si disminuye el O2 se inicia la

A

Vasodilatación = más flujo

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7
Q

Presión máxima de líquido cefalorraquídeo

A

10mmHg

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8
Q

PPC = Presion de perfusion cerebral normal

A

50-150mmHg

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9
Q

Presion arterial media (PAM)

A

presión sistólica + 2presión diastólica / 3

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10
Q

Ley de monro-kelly

A

Volumen cerebral
LCR
Volumen sanguíneo
3 siempre en equilibrio

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11
Q

Componentes del volumen sanguíneo

A
  • 70% venoso
  • 15% sinusal
  • 15% arterial
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