Fluids

Question 1

Maintenance fluid requirements in 24 hours

1. water
2. electrolytes
3. glucose

Answer 1

1. 25-30 ml/kg/day of water
2. 1 mmol/kg/day of Na/K/Cl
3. 50-100 g/day of glucose

Question 2

Normal plasma conc of Na+

Answer 2

135-145

Question 3

Conc of Na in 0.9% saline

Answer 3

154

Question 4

When should Hartmann’s/Plasmalyte not be used?

Answer 4

In patients with hyperkalaemia