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INT - Nefro > Distúrbios do potássio > Flashcards

Distúrbios do potássio Flashcards

1
Q

Principais reguladores

A

Aldosterona
Aporte de sódio ao néfron distal

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2
Q

Hipercalemia

A

K > 5,5

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3
Q

Causas da hipercalemia

A

Redução da função renal
Lise celular
Hipoaldosteronismo
Mecanismos de redistribuição
Aumento do aporte
Pseudohipercalemia

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4
Q

Pseudohipercalemia

A

Aumento do K no tubo coletor do exame

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5
Q

ECG

A
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6
Q

Tto hipercalemia

A

Estabilizadores de membraa
- Gluconato de cálcio
- APENAS PROTEGE O MIOCÁRDIO
Medidas de shift
- Insulina
- B2 agonista
– Bica (APENAS EM ACIDOSE)
Medidas de eliminação
- Diuretico de alça

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7
Q

Hipocalemia

A

K < 3,5

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8
Q

Causas de hipocalemia

A

Baixo aporte de potássio
Pseudohipocalemia (leucemia aguda)
Perda renal ou extra-renal
Mecanismo de redistribuição

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9
Q

Sinais e intomas

A

Fraqueza muscular
Constipação

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10
Q

ECG hipo

A

ONDA U

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11
Q

Tratamento hipo

A

Cloreto de potássio VO se leve EV se grave (<2,5)
Velocidade máxixma de infusão 10-20meq/h

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INT - Nefro (10 decks)

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