Compound sodium lactate

Question 1

What are indications for the use of Hartmann’s solution?

Answer 1

• Provide sodiuma nd water IV
• Expand circulating volume

Question 2

What is the electrolyte profile of hartmanns?

Answer 2

• Na+ 131 mmol
• Cl− 111 mmol
• K+ 5 mmol
• Ca2+ 2 mmol
• Lactate 29 mmol

Question 3

What happens to the lactate component of hartmans solution?

Answer 3

In the presence of adequate liver function, lactate is metabolised to pyruvate and then either to glucose or carbon dioxide and water, with the release of bicarb in both cases

Question 4

What are important adverse effects of compound sodium lactate?

Answer 4

• Cardiac failure by increasing LV filling beyond point of maximal contractility
• Oedema

Question 5

When should you consider reducing fluid challenge volume?

Answer 5

• Heart failure
• Renal impairment
• Severe liver disease

Question 6

Why should you be careful using hartmanns in those with liver disease?

Answer 6

Cannot metabolise lactate as well

Question 7

How much sodium would be provided in 500 ml hartmanns solution?

Answer 7

66 mmol

Question 8

How much potassium would be provided in 500 ml hartmann’s solution?

Answer 8

2.5 mmol

Question 9

Why should you avoid Hartmann’s in renal impairment?

Answer 9

Potassium content - may precipitate hyperkalaemia