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Educational use only. Not a substitute for clinical judgment. Always verify independently.

QTc + Drug Check

Calculate corrected QT interval and flag common QT-prolonging medications.

msec
bpm

QTc (Bazett)

492ms

QTc (Fridericia)

474ms

QTc prolonged

QTc is prolonged (>460 ms). Check electrolytes and medication list.

QT-prolonging medications

References

  1. 01CredibleMeds QT drug lists
  2. 02AHA: Drug-induced QT prolongation (Circ 2010)
Updated 2026-04-20Report an error

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