Raquitismo (RQT) Flashcards

1
Q

Enfermedad Metabolica Osea mas frecuente en Pediatria:

A

Raquitismo

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2
Q

Cuantas Hidroxilaciones tiene la Vitamina D:

A

2/ D3-> Hepatica (25-OH2-D3)-> Renal (1,25-(OH2)D3)

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3
Q

Funcion de la Hormona Paratiroidea (¨PTH)

A

Aumenta Niveles de Calcio Serico

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4
Q

Funcion de la PTH a nivel Renal:

A

Reabsorcion Ca en Tubulo Contorneado distal / Excresion Fosforo y Bicarbonato

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5
Q

Funcion de la PTH a nivel Intestinal:

A

Aumenta Absorcion del Calcio

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6
Q

Funcion de la PTH a nivel Oseo:

A

Estimula Osteoclastos para Resorcion Osea

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7
Q

Funcion de la Calcitonina:

A

Disminucion de Niveles de Calcio Serico

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8
Q

Funcion de la Calcitonina a nivel oseo:

A

Inhibe la Resorcion osea / osteoclastos

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9
Q

Otras Hormonas que Alteran la Funcion Osea:

A

IL6, Hormona Tiroidea (TH), gluco-esteroides, Androgenos y estrogenos

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10
Q

Tiempo en que tarda el Calcio Serico en volver a niveles Normales:

A

48 horas

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11
Q

¿Que es el raquitismo?

A

Transtorno de mineralizacion de la Matriz Osea del Hueso en Crecimiento

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12
Q

¿Que es la osteomalacia?

A

Transtorno de mineralizacion de la matriz osea del hueso maduro

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13
Q

Clinica Del Raquitismo:

A

Hipotonia, tetania, Deformidades Oseas de huesos de carga, Cifosis, lordosis, Simetricos y Bilaterales

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14
Q

Porcetaje de Prematuros (menores de 800gr) que presentaran Raquitismo y causas:

A

73%/ enfermedad Hepatobiliar, Nutricion parenteral y uso de diureticos

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15
Q

Signos Radiograficos de Raquitismo:

A

Arqueamiento de huesos largos, Lineas de Loose (pseudofracturas), Signo de la copa de Champaña, Estrias carpales, signi de Harrison (indentacion de las costillas)

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16
Q

Tipos de Raquitismo:

A

Def. Vit D, Def, calcio, Def, Fosfatos, alteracion Gastrointestinal, renal.