Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter
Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typic...
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Gespeichert in:
| Autor*in: |
EMORI, TETSURO - M.D. [verfasserIn] FUKUSHIMA, KENGO - M.D. [verfasserIn] SAITO, HIRONORI - M.D. [verfasserIn] NAKAYAMA, KAZUAKT - M.D. OHE, TOHRU - M.D., FACC |
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| Format: |
E-Artikel |
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| Erschienen: |
Oxford, UK: Blackwell Publishing Ltd ; 1998 |
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| Schlagwörter: |
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| Umfang: |
Online-Ressource |
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| Reproduktion: |
2007 ; Blackwell Publishing Journal Backfiles 1879-2005 |
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| Übergeordnetes Werk: |
In: Journal of cardiovascular electrophysiology - Oxford : Wiley-Blackwell, 1990, 9(1998), 11, Seite 0 |
| Übergeordnetes Werk: |
volume:9 ; year:1998 ; number:11 ; pages:0 |
| Links: |
|---|
| DOI / URN: |
10.1111/j.1540-8167.1998.tb00089.x |
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NLEJ243340109 |
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| 245 | 1 | 0 | |a Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter |
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| 520 | |a Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. | ||
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10.1111/j.1540-8167.1998.tb00089.x doi (DE-627)NLEJ243340109 DE-627 ger DE-627 rakwb EMORI, TETSURO M.D. verfasserin aut Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter Oxford, UK Blackwell Publishing Ltd 1998 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| atrial fibrillation FUKUSHIMA, KENGO M.D. verfasserin aut SAITO, HIRONORI M.D. verfasserin aut NAKAYAMA, KAZUAKT M.D. oth OHE, TOHRU M.D., FACC oth In Journal of cardiovascular electrophysiology Oxford : Wiley-Blackwell, 1990 9(1998), 11, Seite 0 Online-Ressource (DE-627)NLEJ243926243 (DE-600)2037519-0 1540-8167 nnns volume:9 year:1998 number:11 pages:0 http://dx.doi.org/10.1111/j.1540-8167.1998.tb00089.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 9 1998 11 0 |
| spelling |
10.1111/j.1540-8167.1998.tb00089.x doi (DE-627)NLEJ243340109 DE-627 ger DE-627 rakwb EMORI, TETSURO M.D. verfasserin aut Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter Oxford, UK Blackwell Publishing Ltd 1998 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| atrial fibrillation FUKUSHIMA, KENGO M.D. verfasserin aut SAITO, HIRONORI M.D. verfasserin aut NAKAYAMA, KAZUAKT M.D. oth OHE, TOHRU M.D., FACC oth In Journal of cardiovascular electrophysiology Oxford : Wiley-Blackwell, 1990 9(1998), 11, Seite 0 Online-Ressource (DE-627)NLEJ243926243 (DE-600)2037519-0 1540-8167 nnns volume:9 year:1998 number:11 pages:0 http://dx.doi.org/10.1111/j.1540-8167.1998.tb00089.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 9 1998 11 0 |
| allfields_unstemmed |
10.1111/j.1540-8167.1998.tb00089.x doi (DE-627)NLEJ243340109 DE-627 ger DE-627 rakwb EMORI, TETSURO M.D. verfasserin aut Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter Oxford, UK Blackwell Publishing Ltd 1998 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| atrial fibrillation FUKUSHIMA, KENGO M.D. verfasserin aut SAITO, HIRONORI M.D. verfasserin aut NAKAYAMA, KAZUAKT M.D. oth OHE, TOHRU M.D., FACC oth In Journal of cardiovascular electrophysiology Oxford : Wiley-Blackwell, 1990 9(1998), 11, Seite 0 Online-Ressource (DE-627)NLEJ243926243 (DE-600)2037519-0 1540-8167 nnns volume:9 year:1998 number:11 pages:0 http://dx.doi.org/10.1111/j.1540-8167.1998.tb00089.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 9 1998 11 0 |
| allfieldsGer |
10.1111/j.1540-8167.1998.tb00089.x doi (DE-627)NLEJ243340109 DE-627 ger DE-627 rakwb EMORI, TETSURO M.D. verfasserin aut Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter Oxford, UK Blackwell Publishing Ltd 1998 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| atrial fibrillation FUKUSHIMA, KENGO M.D. verfasserin aut SAITO, HIRONORI M.D. verfasserin aut NAKAYAMA, KAZUAKT M.D. oth OHE, TOHRU M.D., FACC oth In Journal of cardiovascular electrophysiology Oxford : Wiley-Blackwell, 1990 9(1998), 11, Seite 0 Online-Ressource (DE-627)NLEJ243926243 (DE-600)2037519-0 1540-8167 nnns volume:9 year:1998 number:11 pages:0 http://dx.doi.org/10.1111/j.1540-8167.1998.tb00089.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 9 1998 11 0 |
| allfieldsSound |
10.1111/j.1540-8167.1998.tb00089.x doi (DE-627)NLEJ243340109 DE-627 ger DE-627 rakwb EMORI, TETSURO M.D. verfasserin aut Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter Oxford, UK Blackwell Publishing Ltd 1998 Online-Ressource nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. 2007 Blackwell Publishing Journal Backfiles 1879-2005 |2007|||||||||| atrial fibrillation FUKUSHIMA, KENGO M.D. verfasserin aut SAITO, HIRONORI M.D. verfasserin aut NAKAYAMA, KAZUAKT M.D. oth OHE, TOHRU M.D., FACC oth In Journal of cardiovascular electrophysiology Oxford : Wiley-Blackwell, 1990 9(1998), 11, Seite 0 Online-Ressource (DE-627)NLEJ243926243 (DE-600)2037519-0 1540-8167 nnns volume:9 year:1998 number:11 pages:0 http://dx.doi.org/10.1111/j.1540-8167.1998.tb00089.x text/html Verlag Deutschlandweit zugänglich Volltext GBV_USEFLAG_U ZDB-1-DJB GBV_NL_ARTICLE AR 9 1998 11 0 |
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Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter atrial fibrillation |
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Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter |
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Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter |
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EMORI, TETSURO M.D. |
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Journal of cardiovascular electrophysiology |
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1998 |
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EMORI, TETSURO FUKUSHIMA, KENGO SAITO, HIRONORI |
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EMORI, TETSURO |
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10.1111/j.1540-8167.1998.tb00089.x |
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atrial electrograms and activation sequences in the transition between atrial fibrillation and atrial flutter |
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Atrial Electrograms and Activation Sequences in the Transition Between Atrial Fibrillation and Atrial Flutter |
| abstract |
Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. |
| abstractGer |
Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. |
| abstract_unstemmed |
Transition Between Atrial Fibrillation and Flutter. Introduction: The eletrophysiologic mechanism of atrial fibrillation (AF) has a wide spectrum, and it seems that some atrial regions are essential for the occurrence of a particular type of AF. We focused on one type of AF: AF associated with typical atrial flutter (AFI), which was right atrial (RA) arrhythmia, and sought to investigate intra-atrial electrograms and activation sequences in the transition between AF and AFL. Methods and Results: Intra-atrial electrograms and activation sequences in the R.A free wall and the septum were evaluated in the transition between AF and AFL in seven patients without organic heart disease (all men; mean age 57 ± 11 years). In five episodes of the conversion of AFL into AF, the AFL cycle length was shortened (from 211 ± 6 msec in stable AFL to 190 ± 15 msec before the conversion, P, 0.001). Interruption of the AFL wavefront and an abrupt activation sequential change induced by a premature atrial impulse resulted in fractionation and disorganization of the septal electrograms. During sustained AF, septal electrograms were persistently fractionated with disorganized activation sequences. However, the RA free-wall electrograms were organized, and the activation sequence was predominantly craniocaudal rather than caudocranial throughout AF. In 12 episodes of the conversion of AF into AFL, the AF cycle length measured in the RA free wall increased (from 165 ± 26 msec at the onset of AF to 180 ± 24 msec before the conversion, P, 0.001). AFL resumed when fractionated septal electrograms were separated and organized to the caudocranial direction, despite the RA free-wall electrograms remaining discrete and sharp with an isoelectric line. Conclusion: Changes of the electrogram and activation sequence in the atrial septum played an important role in the transition between AF and AFL. |
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FUKUSHIMA, KENGO M.D. SAITO, HIRONORI M.D. NAKAYAMA, KAZUAKT M.D. OHE, TOHRU M.D., FACC |
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FUKUSHIMA, KENGO M.D. SAITO, HIRONORI M.D. NAKAYAMA, KAZUAKT M.D. OHE, TOHRU M.D., FACC |
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