Ions Flashcards

1
Q

K+

A

indispensable au maintien du rythme cardiaque

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2
Q

Pompe Na+ K+ ATPase

A

fait entrer K+ dans la cellule (fait sortir Na+)

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3
Q

AJR K+

A

3,5g/ jour

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4
Q

Aliments contenant K+

A

céréales, banane, kiwi, mangue, datts’e, fruits secs, haricots, avocat, légumes verts (épinards, chou, persil), légumes racines (carotte, betterave, oignon)

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5
Q

Causes Hyperkaliémie (origine rénale)

A
  • Insuffisance rénale chronique
  • Hypoaldostéronisme
  • Hyporéninisme
  • IEC
  • ARA II
  • AINS
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6
Q

Causes Hyperkaliémine origine extrarénale

A
  • Destruction cellulaire massive (lyse tumorale)
  • Transfusion trop rapide
  • Inhibition pompe Na+ K+ ATPase (betabloquants, digoxine)
  • Acidose métabolique hyperchlorémique
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7
Q

Signes de l’hyperkaliémie

A
  • Hyperexcitabilité cardiaque

- Atteintes neuromusculaires

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8
Q

100 mmol de K+ augmente la kaliémie de…

A

0,3 mmol/l

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9
Q

Médicaments de l’hypokaliémie

A
  • Diffu K

- Kaleorid

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