Cardiology · Emergency Medicine
Corrected QT Interval (Bazett) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
Complete all required inputs to calculate the score.
Formula inputs
- QT interval (ms)Accepted range: 200 to 700
- Heart rate (/min)Accepted range: 30 to 220
Primary source
Bazett HC. An analysis of the time-relations of electrocardiograms. Heart. DOI: 10.1093/heart/7.4.353. PMID: 18659244. Scope: Bazett correction QTc = QT / √RR with RR in seconds (RR = 60 / heart rate in beats per minute). (1920)
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