Value of the New Spline QTc Formula in Adjusting for Pacing-Induced Changes in Heart Rate

Figure 6

The relationship during ventricular pacing between QTc for the Bazett versus new spline for pacing rate (RR) interval on (a) and as heart rate on (b). The QT minus QRS was entered into the calculation for the QTc formula for the Bazett JT and Spline JT. The data are expressed at QTc-QRS.

(a)

(b)