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. Author manuscript; available in PMC: 2017 Apr 3.
Published in final edited form as: Pacing Clin Electrophysiol. 2011 Oct 31;35(2):204–214. doi: 10.1111/j.1540-8159.2011.03243.x

Figure 4.

Figure 4

Multisite CRT pacing: red lines correspond to septal and blue apical RV pacing, and triangle and squares symbols correspond to the variable time interval being first or second, respectively.