Perfil Renal Flashcards

1
Q

1.

Que es el bun?

A

Concentracion de nitrógene uréico en sangre

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2
Q

Que es la urea

A

Catabolismo final de las proteinas (lo ultimo)

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3
Q

Como se obtiene el BUN

A

UREA / 2.1428

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4
Q

Hiperazoemia (UREA EN EXCESO)

A
  • Extrarenales: Muchas proteinas, Hemorragias DIGESTIVAS, fármacos y aumento del catabolismo
  • Prerrenales: disminucion de la perfusion renal (hipovolemias e hipovolemias relativas por sistema cardiovascular)(Cociente urea creatinina mayor de 80)
  • Renal: Nivel de los riñones (COCIENTE UREA CRATININA MENOR DE 40)
  • Posrenal:* OBSTRUCCION DE FLUJO* (intrinsica = riñon, extrinseca. = VU)
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5
Q

Hipozoemia

A
  1. Aumento de liquidos
  2. HEpatopatias
  3. EMbarazo (TFG)
  4. Cefalosporinas
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6
Q

CUando el aumento de creatinina es un pco menos intenso que el de la urea

A

si la causa es PRERRENAL

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7
Q

¿que es la cistatina C?

A

Inhibidor cistatina proteasa

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8
Q

Ventaja Cistatina C

A

Es mas sensible de falla renal aguda que la depuración de creatinina

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9
Q

Cistatina C aumentada

A
  1. IRA
  2. ERC
  3. Patologias cardiovasculares
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10
Q

¿QUe es el aclaramiento de creatinina?

A

Función renal te dice como es que filtra a partir de la reatinina
Creatinina x volumen / Creatinina plasmatica x24x60

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11
Q

TFG

A

120 mujeres
130 hombres

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12
Q

Como definir si la lesion es aguda o cronica

A

Crónica:
1. UREA CREATININA <40
2. Excrecion urinaria de albumina >30 mg/dia
3. Disminucion TFG <60 por más de tres meses

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13
Q
A
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