CALCIO Y MG FISIOPATO Flashcards

1
Q

TRANSPORTE CA+

A

UNIDO A ALBUMINA

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2
Q

CA+ EN ALCALOSIS Y ACIDOSIS

A

ALCALOSIS; REDUCE CA IONICO LIBRE
ACIDOSIS; AUMENTA CA IONICO LIBRE

*CA IONICO ES EL UTIL

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3
Q

REGULACION CONCENTRACION OSEA DEL CA

A

MEDIADA X VIT D

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4
Q

REGULACION CA IONICO

A

PTH

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5
Q

CALCIO Y MG

A

PTH Y VIT D HACEN LO MISMO EN AMBOS

*HIPOMAGNESEMIA REDUCE LA SECRECION DE PTH Y ASI RESISTENCIA OSEA

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6
Q

INSUFICIENCIA RENAL CA

A

REDUCE ABS DE CA RENAL, POCA ORINA PERO CON MUCHA CONCENTRACION DE CA

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7
Q

HIPERFOSFATEMIA

A

ENZ ALFA 1 HIDROX HACE QUE QUEDE CALCITRIOL (VIT D3 ACTIVA)
ALFA 1 HIDROX ES ESTIMULADA X PTH
EN HIPOFOSFATEMIA SE ACTIVA YA QUE LA VIT D ES LA UNICA HORMONA QUE EST ABS DE CA Y P A NIVEL INT

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8
Q

HIPOALBUMINEMIA Y CA

A

NO NECESARIAMENTE UNA HIPOALBUMINEMIA HACE UNA HIPERCALCEMIA YA QUE SE VA A FILTRAR X EL RINON Y LOS MECANISMOS NO VAN A SER SUFICIENTES PARA REABS

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9
Q

TETANIA

A

UNA HIPOCALCEMIA AUMENTA PERM DEL NA EN FIBRAS MUSC SIENDO CTEMENTE DESPOLARIZADAS

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10
Q

TTO HIPERCALCEEMIA

A

DIURETICOS PARA PROMOVER ELIMINACION CA

FUROSEMIDA ; INHIBE COT NA/K/CL EL CUAL PERMITE REABS DE CA Y MG X GRADIENTE (FUROSEMIDA SOLO REABS CL)

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11
Q

CAUSAS HIPOMG

A
ALCOHOLISMO; DISMINUYE ABS DE MG INT
VOMITO Y DIARREA
DUIRETICO
SMA
CETOACIDOSIS DIABETICA
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12
Q

CAUSAS HIPER MG

A

INSIF RENAL
ABUSO SALES MG
TTO; GLUCONATO CA

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