Paratiroides Flashcards

1
Q

En que forma se presenta en calcio en los huesos ?

A

Como hidroxipatita

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2
Q

Valor normal del calcio total serico

A
  1. 60-10.20mg/dL ó

2. 2 a 2.6 mmol/L

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3
Q

Valor normal del calcio libre

A
  1. 5 a 5.3 mg/dL ó

1. 12 a 1.32 mmol/L

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4
Q

Valor normal del fósforo serico

A

2.7-4.50 mg/dL

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5
Q

Cantidad Eliminada de calcio por intestinos

A

900 mg/día

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6
Q

Ingesta diaria de calcio y fósforo

A

1,000 mg/día de cada uno

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7
Q

Cantidad de Eliminación renal de calcio

A

100 mg/día

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8
Q

Cantidad de Reabsorción intestinal de calcio

A

30% de lo ingerido (350 mg/día)

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9
Q

De quién necesita el calcio para ser absorbido

A

Vitamina D

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10
Q

Qué hormona se encarga de la reabsorción y eliminación renal de calcio (TCD) y del fósforo

A

Paratiroides

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11
Q

En qué parte de la nefrona se reabsorbe el calcio

A

TCP, ASA DE HENLE,TCD

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12
Q

Proteína principal que se une con calcio para formar el 40% de calcio unido a proteínas

A

Albumina

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13
Q

Que causa la sobreexitacion del SNC. Hasta poder generar tétania o convulsiones

A

Hipocalcemia <6 mg/dL

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14
Q

Que causa la depresión del SNC enlenteciendo los reflejos, disminuye intervalo QT y causa estreñimiento y pérdida del apetito

A

Hipercalcemia >12mg/dL

Y a partir de 17 mg/dL hay precipitación de cristales de fosfato

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