Paediatric formula

Question 1

Weight (1-10yr)

Answer 1

(Age+4) x 2

Question 2

ETT size

Answer 2

(Age/4) + 4

Question 3

ETT lengh

Answer 3

@lips = (age/2) +12
@nose = (age/2) +15

Question 4

LMA sizes

Answer 4

1 - <6.5kg

#1.5 - <15kg
#2 - <20kg
#2.5 - <25kg
#3 - 20-30kg
#4 - >30kg

Question 5

Defibrillation

Answer 5

4J/kg

Question 6

Systolic BP

Answer 6

(age x 2) +80

Question 7

IV fluid - bolus and maint

Answer 7

bolus 10-20ml/kg NS

#maint 4-2-1 5%glucose + NS

Question 8

Blood products

Answer 8

RBC 10ml/kg

#Platelets 10ml/kg
#FFP 15ml/kg
#Cryo 5ml/kg