QTc (Bazett, Ped(z)-style) is a electrocardiography tool commonly applied in Cardiology. QTc (ms) from QT and HR or RR using Bazett (QT/√RR). Inspired by Ped(z) QTc; use the Corrected QTc tool for Fridericia/Framingham. Not affiliated with pedz.de. Use the interactive calculator for inputs, limitations, and primary references.

Not a substitute for clinical judgment. Verify critical values with primary literature, local protocols, and specialist input when appropriate.