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Proceedings of the 40th International Congress on Electrocardiology ELECTROCARDIOLOGY Glasgow, Scotland. 7th-10th August, 2013 2013 Editors: Julie Kennedy Peter W. Macfarlane University of Glasgow ELECTROCARDIOLOGY 2013 Proceedings of the 40th International Congress on Electrocardiology Copyright 2014 by the International Society of Electrocardiology Editors: Julie Kennedy, Peter W. Macfarlane Publisher: Institute of Measurement Science Slovak Academy of Sciences Dúbravská cesta 9, 841 04 Bratislava Slovakia ISBN 978-80-969-672-8-5 Printed in Slovakia by VEDA, Publishing House of the Slovak Academy of Sciences Preface The 40th International Congress on Electrocardiology (ICE2013) was held in the University of Glasgow, Scotland, from August 7th-10th, 2013, under the auspices of the Institute of Cardiovascular and Medical Sciences. This was a very successful meeting attended by over 200 individuals, including accompanying persons. Plenary talks were given by world leading specialists Professors Michel Haissaguerre, Yoram Rudy and Hein Wellens and approximately 150 papers and posters were presented during the meeting. Delegates were invited to submit manuscripts for publication in the Proceedings or for consideration as an article to be published in the Journal of Electrocardiology. In this book can be found 39 papers, while a further 6 manuscripts appeared in the Journal of Electrocardiology in the March/April issue 2014. The contents of these Proceedings indicate the wide range of topics usually presented at the International Congress on Electrocardiology. It is interesting to note that the 5th International Congress on Electrocardiology was held in Glasgow in 1978 and the Proceedings at that time were published under the title of Progress in Electrocardiology. Thirty five years later, progress can only be regarded as being exceptional in this area. Automated ECG interpretation is a basic technique used in most large hospitals world wide, a solution to the inverse problem has led to commercial products for assistance with ablation of accessory pathways or of arrhythmogenic foci and for location of infarcted myocardium, while much has been learned about cardiac electrophysiology, to list only a few areas of development. A pre ICE2013 workshop on so called early repolarization was held and many manuscripts relating to this topic were published in the Journal of Electrocardiology in the September/October issue 2013. Sincere thanks are due to Dr. Galen Wagner, the Editor of the Journal, for all the work he expended in stimulating and editing papers for this issue of the Journal. It is hoped that a consensus paper arising from the workshop will be published in the near future. In summary, therefore, the effective proceedings of ICE2013 can be found in two issues of the Journal of Electrocardiology as well as this book. Whether or not this is the optimum approach remains a matter for continued discussion but the important point is that the International Society of Electrocardiology should continue to flourish in the years to come. The Organising Committee would like to take this opportunity to thank all of those who were involved in creating such a successful international conference. Locally, there were many staff and spouses who helped during the meeting, namely in alphabetical order, Pamela Armstrong, Elaine Clark, Brian Devine, Louise Inglis, Julie Kennedy, Shahid Latif, Irene Macfarlane, David and Kathryn McLaren, and Mark and Jean Watts to whom sincere thanks are offered. The Organising Committee would also like to thank the staff of the University of Glasgow Conference and Visitor Services Office for all their assistance before and during the conference. Finally, with respect to this book, sincere thanks are due to Julie Kennedy for undertaking the lengthy task of carefully editing all the papers with a contribution from the undersigned. The iii Organising Committee would also like to thank Pamela Armstrong for help with the final preparation of the book and indeed for very significant administrative assistance in organising the conference. Sincere thanks are also due to Dr. Milan Tysler for his assistance in arranging the publication of the book through the Veda Publishing House in Bratislava. Our only regret is the length of time taken to produce the Proceedings due to initial delays in knowing which papers would be included and then a surfeit of tasks requiring to be accomplished – not only related to this book! Hopefully, those who attended the meeting in Glasgow will have happy memories of both the scientific and social aspects of the Congress. Peter W. Macfarlane On behalf of the Local Organising Committee (LOC) LOC Colin Berry Derek Connelly Peter Macfarlane Rachel Myles Andrew Rankin Godfrey Smith Tony Workman iv The 40th International Congress on Electrocardiology was organised under the auspices of the International Society of Electrocardiology. INTERNATIONAL SOCIETY OF ELECTROCARDIOLOGY President: C. Pastore, Brazil. President-elect: W. Zareba, USA. Past President: M. Hiraoka, Japan. Secretary: L. Bacharova, Slovakia. Treasurer: P. W. Macfarlane, UK. Council: A. Baranchuk, Canada. P. Platanov, Sweden.. L. De Ambroggi, Italy. M. Potse, The Netherlands. P. Dorostkar, USA. A. Ribeiro, Brazil. B. Gorenek, Turkey. M. Roschevsky, Russia. T. Ikeda, Japan. M. Sobieszczanska, Poland. G. Kozmann, Hungary. M. Tysler, Slovakia. J. Liebman, USA. A. Van Ooosterom, The Netherlands. R. S. MacLeod, USA. G. Wagner, USA. v vi CONTENTS PREFACE iii 1. CONDUCTION ABNORMALITIES Clinical characteristics of J waves (early repolarization) in patients with idiopathic Ventricular Fibrillation. M. Hiraoka, Y Sekiguchi, M. Takagi, Y Yokoyama, N. Aihara, K. Aonuma, the Japan Idiopathic Ventricular Fibrillation Study Investigators. 3 Brugada Phenocopy – more questions than answers. A. Baranchuk, D. D. Anselm. 6 VCG patterns for differential diagnosis in right end-conduction delay, early repolarization and Brugada syndrome. C. A. Pastore, N. Samesima, E. Kaiser, H.G. Pereira Filho. 13 Fusion of biventricular incomplete bundle branch block in healthy young adults and in patients with moderate pulmonary hypertension. Fragmented depolarization – a new real ECG entity. L. Regős, A. Simon, B. Garai, I. Berényi, Z. Antalóczy. 17 2. CLINICAL ELECTROCARDIOGRAPHY Normal limits of P waves in Nigerians. I. Katibi, A. Omotoso, P. Kolo, J. Ogunmodede, Ol. Aiyedun, W. Alaofin, A. Olokoba, A. Salami, T. Omoneyin, R. Akim, A. Peter, A. Abimbola, E. Clark, B. Devine, S. Lloyd, P.W. Macfarlane. 24 Frequent electrocardiographic abnormalities and associated conditions in Chagas Disease patients. L. Ferreira, M.S. Marcolino, D.M.F. Palhares, T.G.P. Assis, M.B. Alkmim, A.L. Ribeiro. 28 Electrocardiographic changes in patients with Schizophrenia. M. Gegenava, T. Gegenava. 33 Changes of electrocardiogram in low-renin hypertension. E. Blinova, T. Sakhnova, N. Chikhladze, V. Trunov, E. Aidu, Z. Valieva, M. Saidova, A. Rogoza, I. Chazova. 37 Species specific venom manifestations in ECG. R. Maheshwari, V. Kumar, H. K. Verma. 41 ECG QT interval might be useful for the detection of Mitral Valve Prolapse Syndrome in Taiwan. C.H. Hsu, Y. C. Chen, L.W. Tsai, I. F. Yang, C. K. Tseng, T. F Yang. 48 vii Signal averaged electrocardiography in elderly hypertensive patients. I. Mozos, M. Hancu, L. Susan. 53 Circadian variation of late potentials and association with autonomic nerve system in normal heart subjects using Holter ambulatory electrocardiogram. K. Hashimoto, Y. Kasamaki. Y. Okumura, T. Nakai, S. Kunimoto, I. Watanabe, A. Hirayama, M. Soma. 58 Decartographic detection of presence and severity of right ventricular overload in patients with pulmonary hypertension. T. Sakhnova, E. Blinova, V.Trunov, E. Aidu, E. Yurasova, M. Saidova, T. Martynyuk, I. Chazova. 64 CT angiography identifies coronary venous anomaly resulting in successful ablation of an epicardial accessory pathway. H. Roukoz, C. W. Shepard, P. Dorostkar. 68 Comparison of RR-intervals in rabbit heart in-vivo, ex-vivo, and under Ischemia. O. Janoušek, M. Ronzhina, J. Kolářová, M. Nováková, P. Scheer, I. Provazník. 72 Arrhythmia telemonitoring in asymptomatic Patients. T. Gegenava, M. Gegenava, Z. Kirtava. 78 Gender differences of heart rate variability between Taiwanese symptomatic Mitral Valve Prolapse Syndrome and normal. Y. C. Chen, C. H. Shu, L. W. Tsai, I. F. Yang, C. K. Tseng, T. F. Yang. 83 Linear – nonlinear heart rate variability analysis and SYM based classification of normal and hypertensive subjects. M. G. Poddar, V. Kumar, Y. P. Sharma. 89 Cardiac arrhythmia induced by hypothermia in a cardiac model in vitro. B. Xu, S. Jacquir, S. Binczak, O. Pont, H. Yahia. 96 T Wave alternans detection, quantification and pattern definition. A. Deogire, S. Hamde. 100 3: MODELLING Accuracy of Electrocardiological Inverse Solutions: A Model Study. G. Tuboly, G. Kozmann, I. Maros, D. Wei, X. Zhu. 108 Impact of torso model fidelity on the inverse localization of ischemia. J. Lenkova, J. Svehlikova, M. Tysler. 112 viii Simulation study of ventricular rate control therapy during atrial fibrillation using a one-dimensional cable model with two conduction pathways. S. Inada, T. Ono, N. Shibata, M. Iwata, R. Haraguchi, T. Ashihara, A. Abe, T. Ikeda, K. Mitsui, M. R. Boyett, H. Dobrzynski, K. Nakazawa. 117 Towards computational modelling of the human foetal electrocardiogram: normal sinus rhythm, heart block and re-entrant ventricular tachycardia. A. P. Benson, B. Hayes-Gill, S. Hodgson A. V. Holden, E. Pervolaraki. 121