Dosing and calculation

Question 1

What body weight is used for patients who have distorted body proportions?

Answer 1

Ideal Body Weight (because circulating blood volume would be similar to a non obese patient)

Question 2

Estimation of child weight - formula

Answer 2

(Age +4) x 2 (kg)

Question 3

What is used to calculate systemic chemo amounts?

Answer 3

Body surface area

Question 4

What does w/w mean?

Answer 4

Weight for weight

Question 5

What does Hydrocortisone 0.5% w/w mean?

Answer 5

0.5g of hydrocortisone in 100g of cream

so 500 micrograms in 100 g of cream so 5 micrograms per 1g of cream.

Question 6

What does w/v mean?

Answer 6

Weight of the drug per volume

Question 7

What does v/v mean?

Answer 7

Volume of drug per 100ml volume

Question 8

How many pounds is one stone?

Answer 8

14 pounds

Question 9

How many grams is in one pound

Answer 9

450g

Question 10

How many kg in one stone?

Answer 10

6.35kg

Question 11

How many inches in 1 foot?

Answer 11

12 inches

Question 12

Gentamycin is dosed using?

Answer 12

Ideal body weight

Question 13

What do you use to calculate acetylcysteine and what’s the max you can use?

Answer 13

ACTUAL body weight - 110 kg even if patient weighs more