Prescribing questions Flashcards
Micrograms to miligrams
1000 micrograms is the same as 1 milligram
When is high potassium bad enough for treatment?
If potassium is above 6 and you have ECG changes, or if your potassium is above 6.5, it’s really bad
What do you do in the immediate short term to treat the hyperkalemia?
Calcium gluconate to protect heart from fatal arrhythmia
How do you treat the hyperkalemia?
Insulin and dextrose given
If potassium is slightly raised at 5.5, and someone is on ramipril and spironolactone, what do you do?
Stop the rami and the spiro
How do you treat heart failure?
bisoprolol beta blcoker
Ramipril ACE inhibitor
then spironolactone
What is the common organism for cellulitis? What would you prescribe?
Staph aureus
Treat with fluclox
Why would you give lorazepam over diazepam?
Diazepam has a longer half life
Why is it important to give chlordiazepoxide with pabrinex?
Glucose is metabolised to pyruvate
thiamine needed to allow pyruvate to enter krebs cycle
if given dextrose IV, the ?is turned into lactate
if not turned into lactate
mamillary bodies sensitive to lactate
What CVD drug should be stopped during pregnancy and why?
Statin because it can cause a congenital abnormality
Labetalol
PID antibiotics
triple regimen - cef met and doxy
1g ceftriaxone
2 weeks of metranidazole
Add 2 weeks of oral doxy 100mg BD
If a child had some rash after eating some prawn, but is generally well, what would you give?
Non-sedating antihistamine:
Cetirizine hydrochloride
or Loratidine
Which epilepsy drug reduces the efficacy of the OCP?
Phenytoin?
The pill affects the efficacy of which endo drug
Levothyroxine
