Formulas Flashcards

1
Q

Size of dose

A

Total quantity / no of doses

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2
Q

No of doses

A

Total quantity / size of dose

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3
Q

Total quantity

A

of doses x Size of dose

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4
Q

Dose for child (Young’s rule - age)

A

(Age / age + 12) x adult dose

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5
Q

Dose for Child: Cowling’s rule

A

Age (next bday) x Adult dose / 24

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6
Q

Dose for Infant: Fried’s rule

A

Age (months) x adult dose / 150

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7
Q

Dose for Child: Clark’s rule - weight

A

W (lb) x adult dose / 150 (ave weight of adult in lb)

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8
Q

Patient’s dose based on body weight

A

Patient’s w in kg x drug dose in mg / 1 (kg)

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9
Q

Patient’s dose based on bsa

A

Bsa (m2) / 1.73 m2 x drug dose in mg

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10
Q

Bsa

A

Square root: h in cm x w in kg / 3600

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