QTc Calculator
Corrects the measured QT interval for heart rate using Bazett and Fridericia formulas and flags prolongation and torsades-risk thresholds.
What you enter
- QT interval (ms)
- Heart rate (bpm)
Reference
Bazett 1920; Fridericia 1920; AHA thresholds
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Educational decision-support tools. They do not replace clinical judgment, local protocols or specialist advice: verify results before acting on them.