Qp/Qs Ratio Calculator
Result
Qp/Qs Ratio Calculator Calculate the pulmonary-to-systemic blood flow ratio (Qp/Qs). Used to assess left-to-right shunts in congenital heart disease. — free online calculator.
Formula
- Qp/Qs Ratio Calculator calculates its result from Pulmonary Flow Qp, Systemic Flow Qs. It uses the formula Qp/Qs = Pulmonary Flow (Qp) / Systemic Flow (Qs). Change any input to recalculate the result instantly. This is an informational calculation and is not medical advice.
- The main inputs are Pulmonary Flow Qp, Systemic Flow Qs. Enter them in the units and format shown in the calculator.
- Use the measurement units shown beside each field. The result is an estimate and should be interpreted in context.
- Changing any input above recalculates the result with the same calculation engine used by this page.
Example: Qp/Qs Ratio
- Pulmonary Flow Qp: 2
- Systemic Flow Qs: 3
Using Pulmonary Flow Qp = 2, Systemic Flow Qs = 3, the calculated result is 0.6666666667.
Sample result: Calculating…
Frequently asked questions
What does the Qp/Qs Ratio calculate?
Qp/Qs Ratio Calculator Calculate the pulmonary-to-systemic blood flow ratio (Qp/Qs). Used to assess left-to-right shunts in congenital heart disease. — free online calculator.
Which values should I enter?
Enter Pulmonary Flow Qp, Systemic Flow Qs using the units and format shown beside each field.
What formula does this calculator use?
The calculator uses the following relationship: Qp/Qs = Pulmonary Flow (Qp) / Systemic Flow (Qs).
Why might my result differ from another source?
Results can differ because measurement methods, rounding and assumptions vary. This calculator is an estimate and is not a medical diagnosis.
Does the result update automatically?
Yes. Changing an input updates the result using the same calculation engine shown on this page.