Formulas Flashcards
1
Q
Size of dose
A
Total quantity / no of doses
2
Q
No of doses
A
Total quantity / size of dose
3
Q
Total quantity
A
of doses x Size of dose
4
Q
Dose for child (Young’s rule - age)
A
(Age / age + 12) x adult dose
5
Q
Dose for Child: Cowling’s rule
A
Age (next bday) x Adult dose / 24
6
Q
Dose for Infant: Fried’s rule
A
Age (months) x adult dose / 150
7
Q
Dose for Child: Clark’s rule - weight
A
W (lb) x adult dose / 150 (ave weight of adult in lb)
8
Q
Patient’s dose based on body weight
A
Patient’s w in kg x drug dose in mg / 1 (kg)
9
Q
Patient’s dose based on bsa
A
Bsa (m2) / 1.73 m2 x drug dose in mg
10
Q
Bsa
A
Square root: h in cm x w in kg / 3600