Calculations

Question 1

What part in the question do you always have to look out for that influences the total dose

Answer 1

Frequency

Like need to work out how much they actually take in a day

Question 2

If it says that they need so much of a drug for “3 days”, what does it mean in terms of doses

Answer 2

So full dose taken each day, for 3 days

None of this divide the dose by 3 shite

Question 3

Adrenaline shite

1. What does ‘1 in 2000’ mean
2. what does ‘1 in 10000’ mean

Answer 3

1. 1g in 2000ml -> 0.5mg/ml
2. 1g in 10000ml -> 0.01mg/ml

Question 4

Glucose shite

How much glucose is in 1L of 5% glucose

Answer 4

5%= 5g in 100ml

100ml -> 5g

10000ml -> 50g

Question 5

How do you work out the frequency of a drug

Answer 5

Work out max dose

See how many doses in a day you can take to reach said max dose

Question 6

where in the BNF do you look for drug concentrations or tablet strengths

Answer 6

‘medicinal’ forms

Question 7

how would you go about working out a conc of a drug in %s

Answer 7

Know that 1%= 1g in 100ml

So just get the volume to 100ml and the unit to g

Easy stuff

Question 8

how do you work out gent doses and intervals

Answer 8

Just to calculations with pt’s weight for the dose

Once you’ve got the dose, look at the nomogram for the interval

You give the FULL DOSE at each interval (none of this diving shite)