CRI Calculators


Select Species and Sex

lbs
kgs


*Cats should be limited to a maximum dose rate of 1.5 mg/kg/hr (25 mcg/kg/min)
Drug Dose Range Drug Dose (mg/ml) Volume
Fluid Rate to Administer MLK cc/hr

Morphine 15mg/ml 0.12 to 0.36 mg/kg/hr (2 to 6 ug/kg/min)
Lidocaine 20mg/ml 0.6 to 3.0 mg/kg/hr (10 to 50 ug/kg/minute)*
Ketamine 100mg/ml 0.12 to 1.2 mg/kg/hr (2 to 20 ug/kg/minute)
Volume of fluid to remove from bag
Drug Dose Range Drug Dose (mg/ml) Volume
Fluid Rate to Administer HLK cc/hr
Hydromorphone 2mg/ml 0.024 to 0.072 mg/kg/hr (0.4 to 1.2 ug/kg/min)
Lidocaine 20mg/ml 0.6 to 3.0 mg/kg/hr (10 to 50 ug/kg/minute)*
Ketamine 100mg/ml 0.12 to 1.2 mg/kg/hr (2 to 20 ug/kg/minute)
Volume of fluid to remove from bag
Drug Dose Range Drug Dose (mg/ml) Volume
Fluid Rate to Administer BupLK cc/hr
Buprenorphine (0.3 mg/ml) 0.00245 to 0.0075 mg/kg/hr (0.042 to 0.125 ug/kg/min)
Lidocaine 20mg/ml 0.6 to 3.0 mg/kg/hr (10 to 50 ug/kg/minute)*
Ketamine 100mg/ml 0.12 to 1.2 mg/kg/hr (2 to 20 ug/kg/minute)
Volume of fluid to remove from bag
Drug Dose Range Drug Dose (mg/ml) Volume
Fluid Rate to Administer ButLK cc/hr
Butorphanol 10 mg/ml 0.012 to 0.072 mg/kg/hr (0.2 to 1.20 ug/kg/min)
Lidocaine 20mg/ml 0.6 to 3.0 mg/kg/hr (10 to 50 ug/kg/minute)*
Ketamine 100mg/ml 0.12 to 1.2 mg/kg/hr (2 to 20 ug/kg/minute)
Volume of fluid to remove from bag
Drug Dose Range Drug Dose (mg/ml) Volume
Fluid Rate to Administer ButLK cc/hr
Fentanyl 0.05 mg/ml 0.012 to 0.072 mg/kg/hr (0.2 to 1.20 ug/kg/min)
Lidocaine 20mg/ml 0.6 to 3.0 mg/kg/hr (10 to 50 ug/kg/minute)*
Ketamine 100mg/ml 0.12 to 1.2 mg/kg/hr (2 to 20 ug/kg/minute)
Volume of fluid to remove from bag