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. Author manuscript; available in PMC: 2012 Dec 1.
Published in final edited form as: Circ Arrhythm Electrophysiol. 2011 Sep 28;4(6):867–873. doi: 10.1161/CIRCEP.111.963330

Figure 4.

Figure 4

Delta QTc(7 min-1 min). Box plots show the difference in ΔQTc(7 min-1 min) between the LQT1 and LQT2 groups. The ΔQTc(7 min-1 min) is a useful parameter in differentiating LQT1 vs LQT2 as LQT2 patients have a significantly longer ΔQTc.