IVF maintenance

4-2-1 Rule

Rule

4*first10kg, 2* second 10kg, 1*every kg after = mL/hr

Weight (kg)

Fluid Rate
Example
<10
4 mL/kg per hour

8 kg infant:

4mL/kg per hour x 8 kg

10 to 20

40 mL/h +

2 mL/kg per hour per each add kg

15 kg child:

40 mL/h +

2 mL/kg per hour x 5 kg

>20

60 mL/h +

1 mL/kg per hour per each add kg

30 kg child:

60 mL/h +

1 mL/kg per hour x 10 kg

Chart

Age WT (kg) IVF (mL/hr)
Premature 2 8
Newborn 3.5 14
2mo 5 20
4mo 6.5 26
6mo 8 32
8mo 9 36
12mo 10 40
15mo 11 42
2yr 13 46
3yr 15 50
5yr 19 58

 

Source

6/06 MISTRY, PALS 06