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Respiratory Medicine > Anion Gap > Flashcards

Anion Gap Flashcards

1
Q

How is anion gap calculated?

A

(sodium + potassium) - (bicarbonate + chloride)

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2
Q

What are the normal values for the anion gap?

A

8-14 mmol/L

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3
Q

When is anion gap useful?

A

Metabolic acidosis

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4
Q

What can cause a normal anion gap metabolic acidosis?

A 
GI bicarbonate loss
Renal tubular acidosis
Drugs
Ammonium chloride injection 
Addison's disease
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5
Q

What can cause a raised anion gap metabolic acidosis?

A 
Lactate (shock, hypoxia)
Ketones (DKA, alcohol)
Urate (renal failure)
Acid poisoning (salicylates, methanol)
5-oxoproline (chronic paracetamol use)
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Respiratory Medicine (18 decks)

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