Figure 1From: Signal-averaged P wave analysis for delineation of interatrial conduction – Further validation of the method Different types of P wave morphology. Typical examples of: Type 1 P wave morphology (A), Type 2 P wave morphology (B) and Type 3 P wave morphology (C). Type 3 morphology has previously been shown to be compatible with Bachmann's bundle block [20,21].Back to article page