Hiper-Hipo kalemia Flashcards

1
Q

Alteraciones elqectrocardioagraficas Hiperkalemia

A
Ondas T picudas (T>R)
Prolongacion del PR
Desaparicion de onda P
Ensanchamiento del QRS
Patron seno-onda (s y T funsionadas)
Bradicardia
Taquicardia ventricular
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2
Q

Causas de pseudohiperkalemia

A

sx´s de hiperviscocidad (Poli rubra vera)
Hemolisis de la muestra
Ausencia de alt en el electro a pesar de hipercalemia

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3
Q

Tratamiento

A

Gluconato de calcio 1 amp(10mg)/10 min
Polarizante 10 u+50 ml glucosada al 50%
Salbutamol 20 mg neb
Bicarbonato 1 mmol/kg IV

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4
Q

Mecanismo de acción del calcio

A

antagonista de la exitabilidad de la membrana cardiaca

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5
Q

Mecanismo de acción de la insulina-gucosa

A

Estimula la ATPasa Na-K

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6
Q

Bicarbonato de sodio mecanismo de accion

A

Disminuye la concentracion de H+ extracelulares, lo que incrementa el Na intracelular por intercambiador Na+/H+, y se activa la ATPasa Na-K

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7
Q

Salbutamol

A

Agonista B2 adrenegico (estimula las adenilato ciclasas ATP➡️ Monofosfato de adenosida c) estimula la bomba de Na-K

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8
Q

Grados de hipokalemia

A

3.5-3 = Leve
3-2.5 = Moderada
< 2.5 = grave

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9
Q

Grados de Hipekalemia

A

5-5.9 = Leve
6 -6.4 = Moderada
>6.5 = Grave

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