Calculate dosing weights and heparin rates
Height (inches): --
Ideal Body Wt (kg): --
ABW/IBW Ratio: --
Dosing Weight (kg): --
Please select one or more protocols above to display dosing calculations.
Bolus (80 u/kg): --
Initial Infusion (18 u/kg): --
| aPTT (s) | Anti-Xa | Instructions | Bolus | u/kg | u | Infusion Rate | u/kg | u/hr |
|---|---|---|---|---|---|---|---|---|
| <41 | <0.15 | Bolus, increase rate | Yes | 80 | -- | Increase | 4 | -- |
| 41-60 | 0.15-0.29 | Bolus, increase rate | Yes | 40 | -- | Increase | 2 | -- |
| 61-112 | 0.30-0.70 | NO CHANGE | ||||||
| 113-150 | 0.71-1.00 | Decrease Rate | No | Decrease | 2 | -- | ||
| 151-250 | 1.01-1.10 | Stop 1 hr, reduce rate | No | Decrease | 3 | -- | ||
| >250 | >1.10 | Stop heparin. STAT aPTT or anti-Xa in 1 hour. | ||||||
Bolus (max 5000) (60 u/kg): --
Initial Infusion (max 1000) (12 u/kg): --
| aPTT (s) | Anti-Xa | Rate | u/kg | u/hr |
|---|---|---|---|---|
| <41 | <0.15 | Increase rate | 2 | -- |
| 41-60 | 0.15-0.29 | Increase rate | 1 | -- |
| 61-112 | 0.30-0.70 | NO CHANGE | ||
| 113-150 | 0.71-1.00 | Decrease rate | 2 | -- |
| 151-250 | 1.01-1.10 | Stop 1 hr, decrease rate | 3 | -- |
| >250 | >1.10 | Stop heparin. STAT aPTT or anti-Xa in 1 hr. | ||
Initial Infusion (max 1000) (12 u/kg): --
| aPTT (s) | Rate | u/kg | u/hr |
|---|---|---|---|
| <49 | Increase rate | 2 | -- |
| 50-59 | Increase rate | 1 | -- |
| 60-80 | NO CHANGE | ||
| 81-100 | Decrease rate | 2 | -- |
| 101-120 | Stop 1 hr, decrease rate | 3 | -- |
| >120 | Stop heparin. STAT aPTT in 1 hr. | ||
Initial Infusion (10 u/kg): --
| aPTT (s) | Rate | u/kg | u/hr |
|---|---|---|---|
| <51 | Increase rate | 2 | -- |
| 51-59 | Increase rate | 1 | -- |
| 60-80 | NO CHANGE | ||
| 81-90 | Decrease rate | 1 | -- |
| 91-120 | Stop 1 hr, decrease rate | 3 | -- |
| >120 | Stop heparin. STAT aPTT in 1 hr. | ||
Initial Infusion (10 u/kg): --
| aPTT (s) | Rate | u/kg | u/hr |
|---|---|---|---|
| <40 | Increase rate | 3 | -- |
| 40-49 | Increase rate | 2 | -- |
| 50-59 | Increase rate | 1 | -- |
| 60-80 | NO CHANGE | ||
| 81-90 | Decrease rate | 1 | -- |
| 91-100 | Decrease rate | 2 | -- |
| 101-110 | Stop 1 hr, decrease rate | 3 | -- |
| >110 | Stop heparin. STAT aPTT in 1 hr. | ||
Initial Infusion (12 u/kg): --
| aPTT (s) | Rate | u/kg | u/hr |
|---|---|---|---|
| <49 | Increase rate | 2 | -- |
| 50-59 | Increase rate | 1 | -- |
| 60-80 | NO CHANGE | ||
| 81-100 | Decrease rate | 2 | -- |
| 101-120 | Stop 1 hr, decrease rate | 3 | -- |
| >120 | Stop heparin. STAT aPTT in 1 hr. | ||
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