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Constant Rate Infusions
Lbs Kgs
ID#:
Pet:
Owner:
Age:
Species:
Sex:
Procedure:
1 Enter Weight/Species
lbs
kgs
2 Fluid Settings
CRI Fluid Volume
Fluid Rate ml/kg/hr
Drip Rate
3Calculated Fluid Rates
mls/hour
drops/min
4 Choose Multi, Single or Quick CRI Tab
Lidocaine and Ketamine doses are preset to default values. Dosages can be changed under the Lidocaine and Ketamine CRI Doses tab, below.
Buprenorphine

Buprenorphine-Lidocaine-Ketamine
Set Concentration:
1 Set Dosage:
Buprenorphine Loading
0.01 - 0.02 mg/kg
Dosage

Above Range

Buprenorphine CRI
0.00245-0.0075 mg/kg/hr
Dosage
2 Buprenorphine Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Buprenorphine
Lidocaine
Ketamine
Butorphanol

Butorphanol-Lidocaine-Ketamine
Set Concentration:
1 Set Dosage:
Butorphanol Loading
0.01-0.05 mg/kg
Dosage

Above Range

Butorphanol CRI
0.1-0.4 mg/kg/hr
Dosage
2 Butorphanol Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Butorphanol
Lidocaine
Ketamine
Dexmedetomidine

Dexmedetomidine-Lidocaine-Ketamine
Set Concentration:
1 Set Dosage:
Dexmedetomidine Loading
0.001-0.002 mg/kg
Dosage

Above Range

Dexmedetomidine CRI
0.0005-0.002 mg/kg/hr
Dosage
2 Dexmedetomidine Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Dexmedetomidine
Lidocaine
Ketamine
Fentanyl

Fentanyl-Lidocaine-Ketamine
Concentration: 0.05 mg/ml
1 Set Dosage:
Fentanyl Loading
0.002-0.003 mg/kg
Dosage

Above Range

Fentanyl CRI
0.0012-0.0048 mg/kg/hr
Dosage
2 Fentanyl Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Fentanyl
Lidocaine
Ketamine
Hydromorphone

Hydromorphone-Lidocaine-Ketamine
Set Concentration:
1 Set Dosage:
Hydromorphone Loading
0.05 - 0.1 mg/kg
Dosage

Above Range

Hydromorphone CRI
0.024-0.072 mg/kg/hr
Dosage
2 Hydromorphone Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Hydromorphone
Lidocaine
Ketamine
Methadone

Methadone-Lidocaine-Ketamine
Concentration: 10 mg/ml
1 Set Dosage:
Methadone Loading
0.5 mg/kg
Dosage

Above Range

Methadone CRI
0.083-0.166 mg/kg/hr
Dosage
2 Methadone Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Methadone
Lidocaine
Ketamine
Morphine

Morphine-Lidocaine-Ketamine
Set Concentration:
1 Set Dosage:
Morphine Loading
0.1 - 0.5 mg/kg IV IM
Dosage

Above Range

Morphine CRI
0.12 to 0.36 mg/kg/hr (2 to 6 µg/kg/min
Dosage
2 Morphine Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add These Drugs to
Morphine
Lidocaine
Ketamine
Set Lidocaine CRI Dose
1 Lidocaine Loading and CRI Doses Info
Concentration: 20 mg/ml
Lidocaine Loading
0.5 - 1 mg/kg IV
Dosage

Above Range

Loading Dose
Lidocaine CRI
0.6 to 3.0 mg/kg/hr
Dosage

Above Range

CRI Dose
2 Add To 250 mls Fluids
Set Ketamine CRI Dose
1 Ketamine Loading and CRI Doses
Concentration: 100 mg/ml
Ketamine Loading
0.25-0.5 mg/kg IV
Dosage

Above Range

Loading Dose
Ketamine CRI
0.12-1.2mg/kg/hr
Dosage

Above Range

CRI Dose
2 Add To 250 mls Fluids
Alfaxalone
Concentration: 10 mg/ml
1 Set Dosage:
Alfaxalone Loading
1.5-9.7 mg/kg IV to Effect over 1min,IM
Dosage

Above Range

Alfaxalone CRI
4-9 mg/kg/hr
Dosage

Above Range

2 Alfaxalone Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Alfaxalone To
Buprenorphine
Set Concentration:
1 Set Dosage:
Buprenorphine Loading
0.01 - 0.02 mg/kg
Dosage

Above Range

Buprenorphine CRI
0.00245-0.0075 mg/kg/hr
Dosage
2 Buprenorphine Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Buprenorphine To
Butorphanol
Set Concentration:
1 Set Dosage:
Butorphanol Loading
0.01-0.05 mg/kg
Dosage

Above Range

Butorphanol CRI
0.1-0.4 mg/kg/hr
Dosage
2 Butorphanol Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Butorphanol To
Dexmedetomidine
Set Concentration:
1 Set Dosage:
Dexmedetomidine Loading
0.001-0.002 mg/kg
Dosage

Above Range

Dexmedetomidine CRI
0.0005-0.002 mg/kg/hr
Dosage
2 Dexmedetomidine Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Dexmedetomidine To
Dobutamine
Concentration: 12.5 mg/ml
1 Set Dosage:
Dobutamine CRI
0.06-0.6 mg/kg/hr
Dosage
2 Dobutamine CRI Dose
CRI Dose
3 Remove From 250 mls
4 Add Dobutamine To
Dopamine
Set Concentration:
1 Set Dosage:
Dopamine CRI
0.12-0.6 mg/kg/hr
Dosage
2 Dopamine CRI Dose
CRI Dose
3 Remove From 250 mls
4 Add Dopamine To
Fentanyl
Concentration: 0.05 mg/ml
1 Set Dosage:
Fentanyl Loading
0.002-0.003 mg/kg
Dosage

Above Range

Fentanyl CRI
0.0012-0.0048 mg/kg/hr
Dosage
2 Fentanyl Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Fentanyl To
Furosemide
Concentration: 50 mg/ml
1 Set Dosage:
Furosemide Loading
1-4 mg/kg
Dosage

Above Range

Furosemide CRI
0.1-1 mg/kg/hr
Dosage
2 Furosemide Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Furosemide To
Hydromorphone
Set Concentration:
1 Set Dosage:
Hydromorphone Loading
0.05 - 0.1 mg/kg
Dosage

Above Range

Hydromorphone CRI
0.024-0.072 mg/kg/hr
Dosage
2 Hydromorphone Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Hydromorphone To
Metaclopramide
Concentration: 5 mg/ml
1 Set Dosage:
Metaclopramide Loading
0.2-0.4 mg/kg
Dosage

Above Range

Metaclopramide CRI
0.01-0.09 mg/kg/hr
Dosage
2 Metaclopramide Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Metaclopramide To
Methadone
Concentration: 10 mg/ml
1 Set Dosage:
Methadone Loading
0.5 mg/kg
Dosage

Above Range

Methadone CRI
0.083-0.166 mg/kg/hr
Dosage
2 Methadone Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Methadone To
Midazolam
Set Concentration:
1 Set Dosage:
Midazolam Loading
0.1 – 0.3 mg/kg SC,IM,IV
Dosage

Above Range

Midazolam CRI
0.2-0.4 mg/kg/hr
Dosage
2 Midazolam Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Midazolam To
Morphine
Set Concentration:
1 Set Dosage:
Morphine Loading
0.1 - 0.5 mg/kg IV IM
Dosage

Above Range

Morphine CRI
0.12 to 0.36 mg/kg/hr (2 to 6 µg/kg/min
Dosage
2 Morphine Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Morphine To
Nitroprusside
Concentration: 25 mg/ml
1 Set Dosage:
Nitroprusside CRI
0.03-0.6 mg/kg/hr, Monitor BP constantly
Dosage
2 Nitroprusside CRI Dose
CRI Dose
3 Remove From 250 mls
4 Add Nitroprusside To
Norepinephrine
Concentration: 1 mg/ml
1 Set Dosage:
Norepinephrine CRI
0.003-0.12 mg/kg/hr, Monitor BP constantly
Dosage
2 Norepinephrine CRI Dose
CRI Dose
3 Remove From 250 mls
4 Add Norepinephrine To
Propofol
Concentration: 10 mg/ml
1 Set Dosage:
Propofol Loading
2.2-8 mg/kg
Dosage

Above Range

Propofol CRI
1-10 mg/kg/hr, in 5% D5W
Dosage
2 Propofol Loading and CRI Doses
Loading Dose
CRI Dose
3 Remove From 250 mls
4 Add Propofol To
Quick CRI Calculator
1 Drug Name and Concentration
Name
Concentration
2 Set Loading and CRI Dose
Set Drug Loading Dose
mg/kg
Dosage
Set Drug CRI Dose
mg/kg/hr
Dosage
3 Calculated Drug Doses
Loading Dose
CRI Dose
4 Remove From 250 mls
4 Add Drug To