Fluid prescribing

Question 1

What is the NICE recommended volume of water required for maintenance fluids?

Answer 1

25-30ml/kg/day

Question 2

What is the NICE recommended amount of glucose required for maintenance fluids?

Answer 2

50-100g/day

Question 3

What is the NICE recommended amount of sodium, potassium and chloride required for maintenance fluids?

Answer 3

1mmol/kg/day

Question 4

How do you calculate a patients requirements when they are overweight?

Answer 4

Tailor to ideal body weight

Question 5

What are the maintenance water requirements for patients who are older or frail, have renal impairment or cardiac failure, or are malnourished and at risk of re-feeding syndrome?

Answer 5

20-25ml/kg/day

Question 6

What sort of fluid should be used in resuscitation and how quickly?

Answer 6

Crystalloids that contain sodium in the range 130–154 mmol/l, with a bolus of 500 ml over less than 15 minutes
e.g. sodium chloride 0.9%, Hartmanns, Ringer’s acetate