Facts Flashcards
when should COCP and HRT be stopped before surgery?
4 weeks prior
when should Li be stopped before surgery?
day BEFORE
when should ACE/K sparing diuretics be stopped before surgery?
day of
when and why should metformin be stopped before surgery?
day of
lactic acidosis risk
what Abx contain penicillins?
co amox
tazocin
dose of cyclizine and metaclopramide?
cyclizine - 50mg 8hourly IV
metaclop - 10mg 8hourly IV
what anti emetic is safe in parkinsons?
domperidone
what two drugs used in heart failure can cause too much bradycardia?
verapamil
Bb
what ABx should be avoided when taking MTX? why?
trimethoprim
bone marrow suppression
what anti-epileptic is safest in pregnancy?
lamotrigine
what blood result should metformin be avoided in?
creatinine >150
what does flecanide do to the ECG?
prolongs QT interval
if a patient has severe renal impairment, what opioid should be given?
oxycodone
adverse effects of aspirin?
bleed
gastric ulcers
tinnitus
adverse effects of amiodarone?
Thyroid
fibrosis
grey skin
adverse effects of NSAIDs?
renal failure worsens heart failure asthma indigestion clotting problems
what anti emetic should be used in HF? why?
metaclopramide
cyclizine causes fluid retention
what is the dosing of codiene?
codeine 30mg QDS
what is the dosing of co codamol?
co codamol 30/500 (30mg codeine, 500mg paracetamol)
2 tablets, QDS
side effects of lamotrigine?
ras
SJS
side effects of carbamazepine?
rash
ataxia
nystagmus
low Na
side effects of phenytoin?
ataxia
peripheral neuropathy
LFTs deranged
gum hyperplasia
Tx for diarrhoea?
loperamide 2mg 3hourly
codeine 30mg 6 hourly
insomnia Tx?
zopiclone 7.5mg (3.75 in elderly)
e.g of a stool softner?
docusate sodium (avoid in nut allergy)
e.g of a bulking agent?
isphagula husk
e.g of a stimulant laxative?
senna
e.g of a osmotic laxative?
lactulose
phosphate enema
