How does metformin work? What class is it?
What do you monitor to use it?
Should you hold metformin with radiocontrast use and surgery?
Metformin (Biguanide Class) works by decreasing production of glucose in the liver. Increases peripheral uptake of glucose.
With radiocontrast use and surgery, omit day of and 48 post. Re-initiate when baseline renal function has been re-established.