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Life & fun · January 24, 2026

QTc - QT Interval Calculator

QTc from ECG photos with formulas and arrhythmia diagnosis

What it does

QTc is a tool for healthcare professionals that calculates the corrected QT interval from ECG photos. It offers multiple formulas, classifies results (normal, borderline, prolonged), and assists in diagnosing tachyarrhythmias with guided algorithms.

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