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. Author manuscript; available in PMC: 2010 Aug 11.
Published in final edited form as: Circulation. 2009 Jul 27;120(6):477. doi: 10.1161/CIRCULATIONAHA.108.838821

Figure 4.

Figure 4

Flow chart summarizing an algorithm that can be used based on the presence or absence of an incomplete or complete RBBB to identify patients with ARVD. *The depolarization criteria used to screen patients with either an incomplete or no RBBB are QRS duration in V1–V3 more than 110 ms, TAD and Epsilon wave. * Repolarization criteria used in the patients with either an Incomplete or no RBBB are TWI V1–V3 and/or TWI in 2 out of the 3 inferior leads. In ARVD patients with CRBBB the depolarization criterion used is r’/s ratio < 1 in lead V1. The repolarization criteria used in ARVD patients with CRBBB are TWI through V4 and/or TWI in 2 out of the three inferior leads.