NEFROLOGÍA F Flashcards

(14 cards)

1
Q

TFG (tasa de filtración glomerular) depende de:

A

Presión hidrostática glomerular (favorece filtración)
Presión oncótica capilar (se opone a filtración)
Presión de la cápsula de Bowman (opositora)

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2
Q

Vasodilatación de la arteriola aferente
→ Entra más

A

Entra más sangre → ↑ presión en el glomérulo → ↑ TFG

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3
Q

Disminución de proteínas plasmáticas
↓ proteínas → ↓

A

↓ proteínas → ↓ presión oncótica → ↑ TFG

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4
Q

Relación de Aferente contraída y FG

A

↓ TFG

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5
Q

Eferente contraída leve → TFG

A

Eferente contraída leve → ↑ TFG

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6
Q

Eferente contraída severa → TFG

A

Eferente contraída severa → ↓ TFG

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7
Q

Hipotensión = ↓

A

Hipotensión = ↓ TFG

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8
Q

IECA = dilata

A

IECA = dilata eferente → ↓ TFG

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9
Q

AINE = contrae aferente

A

contrae aferente → ↓ TFG

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10
Q

Angiotensina II = contrae

A

contrae eferente → ↑ TFG (moderadamente)

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11
Q

🔵 Presión hidrostática glomerular: Es la que empuja

A

Capilar glomerulo -> Espacio de Bowma
(La que empuja el líquido hacia afuera)

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12
Q

Valor normal aproximado:

A

55 mmHg

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13
Q

Presión oncótica capilar: Es la que jala

A

(La que jala el líquido hacia adentro, de regreso al capilar)
Generada por las proteínas

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14
Q

Presión oncótica capilar
Valor aproximado:

A

Valor aproximado: 30 mmHg

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