Untitled Deck

Question 1

what is the formula for calculating volume?

Answer 1

volume = dose / conc

Question 2

what is meant by a 1:5 dilution?

Answer 2

1 part drug to 4 parts solution

Question 3

what does dilution w/ equal volume mean?

Answer 3

same volume as already used i.e. double the existing vol

Question 4

which concentration should be used when calculating the diluted volume?

Answer 4

the diluted conc

Question 5

what is the formula used to calculate rate (volume per time)?

Answer 5

rate (volume per time) = dose per time / conc

Question 6

what is the formula used to calculate rate?

Answer 6

rate = dose / time

Question 7

what does percentage mean?

Answer 7

Xg in 100mls

Question 8

what does 1:100 mean?

Answer 8

1g in 100mls

Question 9

what do ratios mean?

Answer 9

g in mls

Question 10

how do you calculate how much more patients are allowed?

Answer 10

calculate max dose and then subtract how much the pt has already had to determine how much more can be given

Question 11

how much Na is in Na Cl 0.9% 1000mls?

Answer 11

150 mmol Na

Question 12

how much K is in K Cl 0.3% 1000mls?

Answer 12

40 mmol K

Question 13

how much K is in K Cl 0.15% 1000mls?

Answer 13

20 mmol K

Question 14

what fluid prescription should be given for emergency resuscitation?

Answer 14

Na Cl 0.9% 500ml over 10 mins

Question 15

what fluid prescription should be given for emergency hypoglycaemia?

Answer 15

glucose 20% 100ml over 15 mins

Question 16

what fluid prescription should be given for emergency hypokalaemia?

Answer 16

Na Cl 0.9% / K Cl 0.3% 1000ml over 4 hrs (fast bag)

Question 17

what fluid prescription should be given for emergency hyercalcaemia?

Answer 17

Na Cl 0.9% 1000ml over 4 hrs (fast bag)

Question 18

what fluid prescription should be given for maintenance fluids w/out deficits or losses?

Answer 18

25-30 ml / kg / 24 hr water
1mmol / kg / 24 hr Na
1 mmol / kg / 24 hr K
50 - 100g / 24 hr glucose

aim for 1000mls over 8-12 hrs

Question 19

what fluid prescription should be given for maintainance fluids w/ deficits or losses (e.g. vomiting and diarrhoea)?

Answer 19

30 ml / kg / 24 hr water
ensure electrolytes are replaced

aim for 1000mls over 4-6 hrs (faster bag)

Question 20

how quickly can K be replaced?

Answer 20

no faster than 10 mmol / hr

Question 21

which electrolyte needs to be replaced exactly?

Answer 21

K (Na doesn’t need to be as strict)

Question 22

what are the clinical indicators that a pt needs emergency resuscitation?

Answer 22

low BP
prolonged CRT
high HR

Question 23

what is the management of hypertension in pregnancy?

Answer 23

stop ACEi / ARB and start labetolol

Question 24

what is given to pts who have eclampsia?

Answer 24

75mg of aspirin every day from 12 wks until birth

Question 25

what is the management of eclampsia?

Answer 25

magnesium sulphate until 24hrs after birth or the last seizure

Question 26

what is the reversal agent for magnesium sulphate?

Answer 26

calcium gluconate

Question 27

what is the management of high cholesterol in pregnancy?

Answer 27

bile acid sequestrates (statins are contraindicated)

Question 28

what is used for rapid relief of SOB in pulmonary oedema?

Answer 28

furosemide 50mg IV