ECG calculator

Corrected QTc Calculator

Calculate corrected QT interval using Bazett and Fridericia equations.

This calculator is provided for educational and clinical support purposes only. Clinical decisions must be made by qualified healthcare professionals.

QTc Calculator

QT interval (ms) Heart rate (bpm)

Enter QT and heart rate.

QT Correction

QT measurement and clinical interpretation require an appropriate ECG and professional assessment, especially at extreme heart rates.

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