insulin soluble (Actrapid or humulin s)
CLINICAL USE
Hyperglycaemia, control of diabetes mellitusEmergency management of hyperkalaemia
DOSE IN NORMAL RENAL FUNCTION
Variable
PHARMACOKINETICS
DOSE IN RENAL IMPAIRMENT
GFR (mL/MIN)
DOSE IN PATIENTS UNDERGOING RENAL REPLACEMENT THERAPIES
IMPORTANT DRUG INTERACTIONS
Potentially hazardous interactions with other drugsFibrates: may improve glucose tolerance; additive effect with insulin
ADMINISTRATION
Reconstition
–
Route
IV via CRIP
Rate of Administration
Over 30 minutes or as required
Comments
Add 15–25 IU insulin to 50 mL 50% glucoseFor maintenance infusion or sliding scale infusion, add 50 IU insulin to 500 mL 10% glucose and adjust rate according to blood glucose levelsContinue infusing insulin/glucose solution at rate of 10 mL/hour according to serum potassium
OTHER INFORMATION
Monitor blood glucose Prior to insulin/glucose infusion for hyperkalaemia, give IV 20 mL 10% calcium gluconate to protect myocardium and 50–100 mL 8.4% sodium bicarbonate to correct acidosisCommence calcium resonium 15 g 4 times per day orallyInsulin is metabolised renally; therefore, requirements may be reduced in ERF