QTc (Fridericia)
Heart-rate-corrected QT interval using Fridericia's formula.
RESULT
QTc (Fridericia)
What is QTc (Fridericia)?
Heart-rate-corrected QT interval using Fridericia's formula. QTc is intended for use in: Adults.
How to Use the QTc Calculator
- Enter QT interval in ms.
- Enter Heart rate in bpm.
- Enter Sex (optional, for threshold).
- Click Calculate to see your result and interpretation.
Formula & Version
This calculator uses formula version 1.0, last reviewed September 2026.
References
- Fridericia LS, Acta Med Scand 1920;53:469-486
Frequently Asked Questions
What is QTc (Fridericia)?
Heart-rate-corrected QT interval using Fridericia's formula.
Who is QTc intended for?
Adults. Always confirm applicability to your specific patient before use.
What formula or reference does QTc use?
Fridericia LS, Acta Med Scand 1920;53:469-486
Is QTc a diagnosis?
No. QTc produces a score or estimate to support clinical decision-making — it is not a diagnosis and should be interpreted alongside full clinical judgement.
Medical Disclaimer: Medical calculators are provided for informational and educational purposes only. Results should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always verify results with a qualified healthcare professional.
