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Intramural Idiopathic Ventricular Arrhythmias Originating in
the Intraventricular SeptumClinical Perspective
by Miki Yokokawa, Eric Good, Aman Chugh, Frank Pelosi, Thomas Crawford, Krit
Jongnarangsin, Rakesh Latchamsetty, Hakan Oral, Fred Morady, and Frank Bogun
Circ Arrhythm Electrophysiol
Volume 5(2):258-263
April 17, 2012
Copyright © American Heart Association, Inc. All rights reserved.
Left panel, Occlusive venogram of the great cardiac vein in the right anterior oblique position.
Miki Yokokawa et al. Circ Arrhythm Electrophysiol.
2012;5:258-263
Copyright © American Heart Association, Inc. All rights reserved.
Surface lead recordings during premature ventricular complex (PVC) in a patient with an
intramural PVC focus.
Miki Yokokawa et al. Circ Arrhythm Electrophysiol.
2012;5:258-263
Copyright © American Heart Association, Inc. All rights reserved.
Premature ventricular complex (PVC) morphology (left panel) and comparison of the pace-map
(right panel) when pacing was performed at the earliest activation site (Figure 2).
Miki Yokokawa et al. Circ Arrhythm Electrophysiol.
2012;5:258-263
Copyright © American Heart Association, Inc. All rights reserved.
Activation map of the left and right interventricular septum identifying endocardial breakthrough sites (orange) of an intramural focus.
Miki Yokokawa et al. Circ Arrhythm Electrophysiol.
2012;5:258-263
Copyright © American Heart Association, Inc. All rights reserved.
An ablation catheter (5F) is advanced together with the multipolar mapping catheter (2.5F) into
the first septal perforator branch of the great cardiac vein (left panel, right anterior oblique view;
right panel, left anterior oblique view).
Miki Yokokawa et al. Circ Arrhythm Electrophysiol.
2012;5:258-263
Copyright © American Heart Association, Inc. All rights reserved.
Twelve-lead ECGs of the intramural PVCs.
Miki Yokokawa et al. Circ Arrhythm Electrophysiol.
2012;5:258-263
Copyright © American Heart Association, Inc. All rights reserved.