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1. Contents, Vol. 88, 1997

Author

George Opio, Tetsushi Wakiyama, Marianne Hartford, Tetsuro Sugiura, A. Sgreccia, Chia-Lun Chao, Björn W. Karlson, Massimo Accorinti, Kei Miyoshi, Ulf Näslund, Andreas Mügge, Avi Pinchas, A. Heusch, Maria Penco, Toshio lzuoka, Yoshio Ishida, Yoriko Shimotsu, Aram Smolinsky, Willem J Remme, Francesco Ciciarello, M. Bourgeois, Raffaele Casale, Roderick K King, Saul Schaefer, K. Bachmann, Milovan Bojić, Diederik C.A van Hoogenhuyze, K. Reynen, Staffan Westberg, Dirk Hausmann, Mario Luzi, NM Magid, Tadayuki Hiroki, Louis Bartels, Antonio Mammarella, Maria Haglid, Leon Lurje, Shy Livschitz, Sergio Morelli, Eliezer Klainman, C. Perrone, Avanindra Jain, Ryuichiro Miyawaki, Giovanni Antonini, Yoshio Urabe, Steen M. Jensen, Hirotoshi Morii, Fragola Pv, Martin van der Ent, Aleksandar N. Neskovic, Babeth Rabinowitz, Ezra A. Amsterdam, J. Quagebeur, Yung-Zu Tseng, Kwan-Lih Hsu, Jer-Min Lin, Johan Herlitz, Ming-Fong Chen, Elieser Kaplinsky, Paolo Pasqualetti, Juey-Jen Hwang, Yasunori Nakayama, Guido Valesini, Kei Tsumura, Yoshiaki Hirose, Nili Zafrir, Toshiji Iwasaka, Poon-Ung Chieng, Francesco Fedele, Gershon Fink, Dick A.C.M Kruijssen, H. Singer, Kenneth Caidahl, Kohei Hayashida, O.N. Krogmann, Shimon Spitzer, Toru Satoh, Paola Pivetti-Pezzi, Ela Dhanak, Pierre Chouraqui, Yasuo Takayama, Petar Otšević, Paolo Voci, Michelle B. Sholar, Kazuo Moroe, Sadahiko Uchimoto, David Horoszowsky, Ivo Amende, A. Paulus, Mitsuo Inada, Marco Ferro Luzzi, Armando Dagianti, Leonardo Calò, Antonio Vitarelli, Jane Yang, Tri Thuong Nguyen, Takayuki Furuki, Tsunehiko Nishimura, Yi-Lwun Ho, Matthias Sturm, Erwin Blessing, Aleksandar D. Popovic, Göran Johansson, Shuji Kitashiro, Yuan-Teh Lee, Por-Jau Huang, Hanno Krauss, Chau-Chung Wu, Sören Häggmark, Luigi Ferrante, Jeffrey S. Borer, Roberta Priori, Teruhiro Tamura, Kent B. Lewandrowski, Per Albertsson, and Arthur J. Siegel

Subjects
Traditional medicine, business.industry, Medicine, Pharmacology (medical), Cardiology and Cardiovascular Medicine, business
Published
1997
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2. On-Line Computerized Vectorcardiography: Influence of Body Position, Heart Rate, Radiographic Contrast Fluid and Myocardial Ischemia

Author

Ulf Näslund, Steen M. Jensen, Sören Häggmark, and Göran Johansson

Subjects
Adult, Male, medicine.medical_specialty, Myocardial ischemia, Electrodiagnosis, Radiography, media_common.quotation_subject, Posture, Myocardial Ischemia, Vectorcardiography, Ischemia, Contrast Media, Coronary Angiography, Online Systems, Heart Rate, Internal medicine, Heart rate, medicine, Humans, Contrast (vision), Pharmacology (medical), cardiovascular diseases, Angioplasty, Balloon, Coronary, Coronary Artery Bypass, Aged, media_common, Electronic Data Processing, medicine.diagnostic_test, business.industry, Cardiac Pacing, Artificial, Body position, Arrhythmias, Cardiac, Middle Aged, medicine.disease, Catheter Ablation, Cardiology, Female, Cardiology and Cardiovascular Medicine, business
Abstract

On-line computerized vectorcardiography (cVCG) is increasingly being used for continuous monitoring of myocardial ischemia, however, little is known about factors other than ischemia causing electrocardiographic abnormalities. This paper describes how three important cVCG parameters, STC-VM, ST-VM and QRS-VD, are affected by different body positions, myocardial ischemia, contrast injection and increasing heart rate in patients with and without coronary artery disease. The main findings of the study are: contrast injection and different body positions caused major changes in QRS-VD but affected ST-VM and STC-VM to a minor degree. Increasing heart rate by atrial pacing produced substantial changes in all three parameters. Ischemia during angioplasty also produced changes in all three parameters, STC-VM being the most sensitive parameter.(1) STC-VM (or = 50 microV) is the most valuable parameter for monitoring ischemia; (2) we propose ST-VMor = 50 microV as criterion instead of previously used 25 microV; (3) QRS-VD cannot be used as a single marker of ischemia, and (4) electrocardiographic changes induced by increased heart rate should be taken into account during interpretation.

Published
1997
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3. Subject Index Vol. 88,1997

Author

Marianne Hartford, Elieser Kaplinsky, C. Perrone, A. Sgreccia, Armando Dagianti, Leonardo Calò, Raffaele Casale, Antonio Vitarelli, Andreas Mügge, Tetsuro Sugiura, Yasunori Nakayama, George Opio, Jer-Min Lin, Aram Smolinsky, Ulf Näslund, Diederik C.A van Hoogenhuyze, Dick A.C.M Kruijssen, H. Singer, Yoshio Ishida, K. Reynen, Babeth Rabinowitz, Poon-Ung Chieng, Eliezer Klainman, Maria Penco, Ryuichiro Miyawaki, Giovanni Antonini, M. Bourgeois, Kazuo Moroe, Avi Pinchas, David Horoszowsky, Paolo Voci, Toru Satoh, Massimo Accorinti, Björn W. Karlson, Willem J Remme, Gershon Fink, A. Heusch, Roderick K King, Pierre Chouraqui, Yasuo Takayama, Yoriko Shimotsu, Petar Otšević, K. Bachmann, Hirotoshi Morii, Sergio Morelli, Steen M. Jensen, Kohei Hayashida, Shy Livschitz, Dirk Hausmann, Louis Bartels, Toshio lzuoka, Yoshiaki Hirose, Francesco Fedele, Kwan-Lih Hsu, Antonio Mammarella, Yoshio Urabe, Kent B. Lewandrowski, Martin van der Ent, Chau-Chung Wu, Milovan Bojić, Yung-Zu Tseng, Jeffrey S. Borer, Roberta Priori, Shimon Spitzer, Paolo Pasqualetti, Juey-Jen Hwang, Chia-Lun Chao, Mitsuo Inada, Kei Tsumura, Sören Häggmark, J. Quagebeur, Sadahiko Uchimoto, Mario Luzi, NM Magid, Luigi Ferrante, Saul Schaefer, Ming-Fong Chen, Guido Valesini, Johan Herlitz, Staffan Westberg, Tetsushi Wakiyama, Nili Zafrir, Per Albertsson, Toshiji Iwasaka, Ela Dhanak, Leon Lurje, Ezra A. Amsterdam, Michelle B. Sholar, Arthur J. Siegel, Fragola Pv, Aleksandar N. Neskovic, Tadayuki Hiroki, Kei Miyoshi, Avanindra Jain, Teruhiro Tamura, Kenneth Caidahl, Ivo Amende, O.N. Krogmann, A. Paulus, Paola Pivetti-Pezzi, Marco Ferro Luzzi, Tri Thuong Nguyen, Takayuki Furuki, Yi-Lwun Ho, Matthias Sturm, Erwin Blessing, Aleksandar D. Popovic, Göran Johansson, Yuan-Teh Lee, Maria Haglid, Shuji Kitashiro, Por-Jau Huang, Hanno Krauss, Francesco Ciciarello, Tsunehiko Nishimura, and Jane Yang

Subjects
Index (economics), business.industry, Statistics, Medicine, Pharmacology (medical), Subject (documents), Cardiology and Cardiovascular Medicine, business
Published
1997
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