Warfarin 5 mg initiation nomogram (Crowther)

Warfarin 5 mg initiation nomogram (Crowther) - a deterministic tool in Sophie Well's Medication & Infusion group.

Open the Warfarin 5 mg initiation nomogram (Crowther) → Runs in your browser. No signup, no tracking.

What this is

Warfarin 5 mg initiation nomogram (Crowther) is one of 230 deterministic tools in Sophie Well's Medication & Infusion group. Warfarin 5 mg initiation nomogram (Crowther) - 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

Crowther MA, Ginsberg JB, Kearon C, et al. A randomized trial comparing 5-mg and 10-mg warfarin loading doses. Arch Intern Med. 1999;159(1):46-48. Read the source ↗

Worked example: Day 3, INR 1.5-1.9 (entered 1.6): 5 mg.

Sophie Well is a reference and educational tool. Not medical, legal, or financial advice. Does not replace clinician judgment, professional billing review, or legal counsel.

Built by Clay Good. Source on GitHub.