Rules for Surgery Flashcards
Preparation for surgery - Metformin
Day prior to admission:
Take as normal
Day of surgery
(morning operation):
If taken once or twice a day - take
as normal
If taken three times per day, omit lunchtime dose
Day of surgery (afternoon operation):
If taken once or
twice a day - take as normal
If taken three times per day, omit lunchtime dose
Preparation for surgery - Sulfonylureas
Day prior to admission
Take as normal
Day of surgery
(morning operation):
If taken once daily in the morning - omit the dose that
day
If taken twice daily - omit the morning dose that day
Day of surgery (afternoon operation):
If taken once daily in the morning -
omit the dose that day
If taken twice daily - omit both doses that day
Preparation for surgery - SGLT2 inhibitors
Day prior to admission:
Take as normal
Day of surgery
(morning operation):
Omit on day of surgery
Day of surgery (afternoon operation):
Omit on day of surgery
Preparation for surgery - Once daily insulins
Day prior to admission:
Reduce by 20%
Day of surgery
(morning operation):
Reduce by 20%
Day of surgery (afternoon operation):
Reduce by 20%
Preparation for surgery - Twice daily Biphasic or ultra-long acting insulins
Day prior to admission:
Take as normal
Day of surgery
(morning operation):
Halve the usual morning dose. Leave evening dose unchanged
Day of surgery (afternoon operation):
Halve the usual morning dose. Leave evening dose unchanged
Preparation for surgery - COCP
Stop 4 weeks before
Preparation for surgery - Herbal medicines
Stop 2 weeks before surgery
Preparation for surgery - Lithium
Stop 24 hours before major surgery
Preparation for surgery -Potassium-sparing diuretics
Witheld on day of surgery
Preparation for surgery - ACEi/ARBs
Stop 24 hours before surgery
