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. Author manuscript; available in PMC: 2010 Nov 3.
Published in final edited form as: Circulation. 2009 Oct 19;120(18):1761–1767. doi: 10.1161/CIRCULATIONAHA.109.863209

Figure 2.

Figure 2

A) ECG tracing of a neonate with a markedly prolonged QT interval. Genetic analysis identified a mutation on KCNH2 (LQT2). B) ECG tracing of the neonate's father. Genetic analysis identified the same mutation on KCNH2 (LQT2).