Disturbios hidroelectroliticos Flashcards

1
Q

Valores de agua corporal total

A

Varones: 60% PCT
Mujeres: 50% PCT

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2
Q

Principales compartimentos de ACT y sus divisiones

A
LIC (intracelular) 60%
LEC (extracelular) 40% siendo divididos en:
* Intravascular (plasmatico)
* Intersticial
Razón de 1/3
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3
Q

Principales solutos del LEC

A
  • Na
  • Cl
  • HCO-³
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4
Q

Principales solutos del LIC

A
  • K

* Fosfatos organicos

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5
Q

Como se mide la concentración de solutos del plasma y cual es el VN del cuerpo humano

A

mOsmoles

VN: 280-295 mOsm/kg

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6
Q

Principales mecanismos de control de la Osmolalidad corporal

A
  • Vasopesina o ADH (hormona antidiurética)
  • Ingesta de agua
  • Eliminación renal
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7
Q

ADH:
Local de sintesis y liberación
Función

A
  • Sintetizada en hipotálamo y liberada hacia la circulación por la neurohipófisis ante un AUMENTO de la Osmolaridad (>295).
  • Produce por un lado sed y por otro reabsorción de H²O por aumento de Aquaporinas en TC renal.
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8
Q

Valores de Na en mEq/L del SF 0,45% y 0,9%

A

SF 0,45% 1000 mls = 77 mEq Na

SF 0,9% 1000 mls = 154 mEq Na

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9
Q

Valores de Na en mEq/L del SF 3% y 5%

A

SF 3% 1000 mls = 513 mEq Na

SF 5% 1000 mls = 855 mEq Na

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10
Q

Mejor reposición de Na en hiponatremicos

A

[SF 3%] SG 5% 850 mls + 150 mls NaCl 20% (15 ampollas)

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11
Q

Valores de Na en mEq/L del Ringer Lactato y de la Dextrosa 5%

A

RL 1000 mls = 130 mEq Na

SG5% 1000 mls = 0 mEq Na

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12
Q

Cuanto hay de Na en el NaCl 20%

A

68 mEq en 20 mls

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13
Q

Cual valor normal del Na plasmatico

A

135 - 145 mEq/L

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14
Q

Cual valor normal del K plasmatico

A

3,5 - 5,0 mEq/L

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15
Q

Cual valor normal del Ca plasmatico

A

8,5 - 10,2 mg/dL

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16
Q

Cual valor del Cl en plasma

A

96 - 106 mEq/L