Weight-based heparin infusion nomogram
Weight-based heparin infusion nomogram - a deterministic tool in Sophie Well's Medication & Infusion group.
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What this is
Weight-based heparin infusion nomogram is one of 230 deterministic tools in Sophie Well's Medication & Infusion group. Weight-based heparin infusion nomogram - a deterministic tool in Sophie Well's Medication & Infusion group.
When to use it
Use this tool when you need a quick, citable reference. Every calculation runs entirely in your browser - no inputs leave your device, no account is required, no AI is involved. The site enforces a strict Content Security Policy and ships no analytics or third-party CDN.
References
Raschke RA, et al. Ann Intern Med. 1993;119(9):874-881 (weight-based heparin nomogram). VTE 80 u/kg bolus + 18 u/kg/h; ACS 60 u/kg bolus (max 4000) + 12 u/kg/h (max 1000). Titration bands are user-selectable to the institutional aPTT/anti-Xa nomogram. Read the source ↗
Worked example: Initial bolus 6400 units, rate 1440 units/h; aPTT 40 s -> rebolus 3200 units, increase 160 units/h.
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