Hipotiroidismo Flashcards

1
Q

Definicion

A

disminución de la acción de las hormonas tiroideas

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2
Q

Clasificacion

A

Primaria (90%): Glandula
Secundaria: Adenahipofisis
* Mayor reguladora

Terciaria: Hipotalamo (Nuc. paraventricular)
Cuaternaria (periferica): Por resistencia a la T

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3
Q

Efecto de wolff chaikoff

A

Disminucion en sintesis de hormona tiroidea por yodo 2

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4
Q

Paciente con cancer, ayuno, inflamacion y enfermedades criticas puedo ver aumentado

A

T3 irrebercible

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5
Q

Medicamentos que alteran TSH

A
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6
Q

Etiologias

A
  1. Glucocorticoides:
  2. Estrogenos
  3. androgenos
  4. Hormona de crecimiento
  5. Amiodarona
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7
Q

Etiologias Primarias

A
  1. Tiroiditis de Hashimoto
  2. desbalance de yodo
    3.
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8
Q

Manifestaciones

A
  • Fatiga
  • Resequedad en piel
  • intolerancia al frio
  • piel gruesa
  • ganancia de peso
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9
Q

Diagnostico

A

Primaria
* TSH: alto T4L: Bajo T3L: Bajo

Central
* TSH: Normal-Bajo T4L: Bajo T3L: Bajo

Subclinico
* TSH: Alto T4L: Normal T3L: Normal

Hashimoto
* Antitiroglobulina (anti-TBG) y antiperoxidasa (anti-TPO)

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10
Q

Manejo

A
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