Adrenal Flashcards

1
Q

Autosomica recesiva

  • Deficit de cortisol
  • Falta de feedback negativo
  • Aumenta ACTH

2 tipos

A

Hiperplasia suprarrenal congenita

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2
Q

Deficit de 21 hidroxilasa

A
  • No hay Aldosterona ni Cortisol
  • Aumentan los androgenos
  • Pierde Na

~ Virilizacion en mujeres con genitales ambiguos
~ Hiponatremia, deshidratacion, hipotension e hiperpotasemia

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3
Q

Deficit 11 beta hidroxilasa

A
  • La desoxialdosterona y la desoxicortisona son menos potentes pero tienen accion
  • Aumentan androgenos

~ Hipertension
~ Virilizacion en mujeres
~ Pubertad precoz

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4
Q

Enf de Addidon

A
  • Destruccion de cx por tuberculosis
  • Autoinmune
  • Perdida de NaCl y agua
  • Hiperpotasemia
  • Hemoconcentracion
  • Hipoglucemia
  • Debilidad
  • Alta pigmentacion (hipersecrecion de ACTH)
  • Hipotension
  • Anorexia
  • trastornos sexuales
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5
Q

Vasoconstriccion arterial

Vasoconstriccion venosa

A

Alfa 1 y 2 respect

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6
Q

Vasodilatacion arterial

A

Beta 2

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7
Q

Aumento de secrecion de insulina y glucagon

A

Beta

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8
Q

Disminucion secrecion insulina y glucagon

A

Alfa 2

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9
Q

Dilatacion pupilar

A

Alfa 1

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10
Q

Disminucion de la motilidad

A

Beta 2

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11
Q

Contraccion de esfinteres

A

Alfa 1

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12
Q

Lipolisis

A

Beta 1 2 3

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13
Q

Contraccion musc esqueletico

A

Beta 2

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14
Q

Aumento transmisión neuromusc

A

Alfa 1

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15
Q

Broncodilatacion

A

Beta 2

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16
Q

Aumento de renina

17
Q

Gluconeogenesis

18
Q

Glucogenolisis

A

Beta 2

Alfa 1

19
Q

Aumento de la frec y propiedades cardiacas

20
Q

Piloereccion

21
Q

Aumento de la calorigenesis

22
Q

Aumenta secrecion GH

23
Q

Metabolito del cortisol

24
Q

Que zonas regula la ACTH?

A

Fasciculada y reticular

25
Zona fasciculada
Glucocorticoides
26
Zona reticular
Androgenos
27
Zona glomerular
Mineralocorticoides
28
Metabolismo de catecolaminas
MAO y COMT te dan Ac. Vainillin Mandelico
29
Deficit de 17 hidroxilasa
No hay Androgenos ni cortisol - Retencion de Na y H2O (hipertension) - HipoKalemia
30
Quien hace el feedback del eje?
Cortisol!
31
Estimulos
- ADH - Estres - Ag II - A/NA - Serotonina - Citoquinas proinflam
32
Inhibidores
- SS | - Glucocort exogenos
33
Quien se encarga del estres agudo?
Cortisol y adrenalina
34
Quien se encarga del estres cronico?
Cortisol
35
Que sintetiza POMC?
ACTH MSH B endorfinas CLIP
36
Insuficiencia primaria
Disminuye cortisol y aumenta ACTH | Puede haber hiperpigmentacion
37
Insuficiencia secundaria
Disminuyen cortisol y ACTH | No hay hiperpigmentacion