Pulmonary Shunt Fraction (Qs/Qt)
Pulmonary Shunt Fraction (Qs/Qt) - a deterministic tool in Sophie Well's Clinical Math & Conversions group.
Open the Pulmonary Shunt Fraction (Qs/Qt) → Runs in your browser. No signup, no tracking.
What this is
Pulmonary Shunt Fraction (Qs/Qt) is one of 230 deterministic tools in Sophie Well's Clinical Math & Conversions group. Pulmonary Shunt Fraction (Qs/Qt) - 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
Berggren SM. The oxygen deficit of arterial blood caused by non-ventilating parts of the lung. Acta Physiol Scand. 1942;4(Suppl 11):1-92. Restated in Nunn’s Applied Respiratory Physiology (Lumb AB, ed.). Read the source ↗
Worked example: Shunt fraction 4.7% — within the ~4–10% normal range.
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.