Journal: Europace
Article Title: The transmural activation interval: a new mapping tool to identify ventricular tachycardia substrates in right ventricular cardiomyopathy
doi: 10.1093/europace/euac220
Figure Lengend Snippet: Method. Panel A shows an example of paired points with a prolonged transmural activation interval (TAI) and normal maximal activation interval (MAI) duration. The first sharp bipolar peak deflection (SBP) (MAP 1–2 endo) coincides with the maximal downstroke of the endocardial unipolar signal (MAP 1 endo). Panel B illustrates an example of a prolonged TAI and MAI duration due a transmural and inlayer conduction delay. The first epicardial EGM component coincides exactly with the corresponding endocardial local activation time, and may be considered as farfield signal from the endocardium. The second component is a late and fragmented EGM.
Article Snippet: In Matlab (software-version 2014b) each endocardial point was linked to the closest epicardial mapping point based on shortest Euclidean distance between the three-dimensional coordinates.
Techniques: Activation Assay