Remove 2013 Remove Bradycardia Remove Electrocardiogram
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QT Correction Formulas Compared to The Rule of Thumb ("Half the RR")

Dr. Smith's ECG Blog

The rule of thumb is less accurate, and the risk is higher because a long QT in the presence of bradycardia ("pause dependent" Torsades) predisposes to Torsades. 6) Use a different rule of thumb for bradycardia : Manually approximate both the QT and the RR interval. Am J Cardiol 12(9):1379-1383; Nov 2013. Measure it manually.

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Hyperthermia and ST Elevation

Dr. Smith's ECG Blog

Induced Brugada-type electrocardiogram, a sign for imminent malignant arrhythmias. This definition was changed following an expert consensus panel in 2013 — so that at the present time, all that is needed to diagnose Brugada Syndrome is a spontaneous or induced Brugada-1 ECG pattern, without need for additional criteria.