IVC Collapsibility / Distensibility Index
IVC Collapsibility / Distensibility Index - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
Open the IVC Collapsibility / Distensibility Index → Runs in your browser. No signup, no tracking.
What this is
IVC Collapsibility / Distensibility Index is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. IVC Collapsibility / Distensibility Index - a deterministic tool in Sophie Well's Clinical Math & Conversions 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
Barbier C, Loubieres Y, Schmit C, Hayon J, Ricome JL, Jardin F, Vieillard-Baron A. Respiratory changes in inferior vena cava diameter are helpful in predicting fluid responsiveness in ventilated septic patients. Intensive Care Med. 2004;30(9):1740-1746. Read the source ↗
Worked example: IVC distensibility 25% (Dmax 2 / Dmin 1.6 cm): >= ~18% -- predicts a fluid response (mechanically ventilated).
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.