Hyperkalaemia Flashcards

1
Q

What is hyperkalaemia ?

A

Increase in potassium in the extracellular space which decreases myocardial activity.

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2
Q

ECG changes only occur in how many patients?

A

under 50% therefore history is key

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3
Q

How do I recognise Hyperkalaemia ?

A
  • Peaked tented T waves
  • P wave widened and flattened
  • prolonged PR segment
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4
Q

Recognition - severe hyperkalaemia

A
  • Wide and bizarre QRS morphology
  • AF
  • Heart blocks
  • Cardiac arrest
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5
Q

What leads can Hyperkalaemia be present in?

A

All

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6
Q

Signs and symptoms of Hyperkalaemia

A
  • Chest pain
  • palpitations
  • Muscle cramps
  • Bradycardia
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7
Q

Significance of hyperkalaemia

A

pt suffering renal failure treated via haemodilysis, prescribed angiotensin-converting enzymes (ACE) inhibitors or potassium-sparing diuretics are at increased chance of suffering from hyperkalaemia.

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