Ventilatory Ratio (VR)
Ventilatory Ratio (VR) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
Open the Ventilatory Ratio (VR) → Runs in your browser. No signup, no tracking.
What this is
Ventilatory Ratio (VR) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. Ventilatory Ratio (VR) - 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
Sinha P, Fauvel NJ, Singh S, Soni N. Ventilatory ratio: a simple bedside measure of ventilation. Br J Anaesth. 2009;102(5):692-697. Read the source ↗
Worked example: Ventilatory ratio 1.7 — elevated (normal ≈ 1): larger dead-space fraction.
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