Frequency-dependent breakdown of wave propagation into fibrillatory conduction across the pectinate muscle network in the isolated sheep right atrium

Circulation Research

Volumn 90, Issue 11, 2002, Pages 1173-1180

  Berenfeld, Omer ^a   Zaitsev, Alexey V ^a   Mironov, Sergey F ^a   Pertsov, Arkady M ^a   Jalife, José ^a  

^a State University of New York Upstate Medical University: College of Medicine   (United States)

Author keywords

Atrial fibrillation; Atrial flutter; Fibrillatory conduction; Fourier analysis

Indexed keywords

ACTION POTENTIAL; ANIMAL TISSUE; ARTICLE; ENDOCARDIUM; EPICARDIUM; HEART ARRHYTHMIA; HEART ATRIUM FIBRILLATION; HEART CONDUCTION; HEART PACING; HEART RIGHT ATRIUM; NONHUMAN; PRIORITY JOURNAL; REENTRY ARRHYTHMIA; SHEEP;

ACTION POTENTIALS; ANIMALS; ATRIAL FIBRILLATION; ENDOCARDIUM; HEART ATRIA; HEART CONDUCTION SYSTEM; PAPILLARY MUSCLES; SHEEP; TIME FACTORS;

EID: 0037076797     PISSN: 00097330     EISSN: None     Source Type: Journal    
DOI: 10.1161/01.RES.0000022854.95998.5C     Document Type: Article

References (37)

1. Chronic rapid atrial pacing: Structural, functional, and electrophysiological characteristics of a new model of sustained atrial fibrillation
2. Simple left atrial procedure for chronic atrial fibrillation associated with mitral valve disease
3. Atrial activation during chronic atrial fibrillation in patients with isolated mitral valve disease
4. A focal source of atrial fibrillation treated by discrete radio-frequency ablation
5. Structure of the canine Bachmann's bundle related to propagation of excitation
6. Spatiotemporal periodicity during atrial fibrillation in the isolated sheep heart
7. Spatially distributed dominant excitation frequencies reveal hidden organization in atrial fibrillation in the Langendorff-perfused sheep heart
8. Pulmonary veins and ligament of Marshall as sources of rapid activations in a canine model of sustained atrial fibrillation
9. Left-to-right gradient of atrial frequencies during acute atrial fibrillation in the isolated sheep heart
10. Electrophysiological effects of selective right versus left atrial linear lesions in a canine model of chronic atrial fibrillation
11. Electrical connections between the right atrium and the left atrium via the musculature of the coronary sinus
12. Distribution of excitation frequencies on the epicardial and endocardial surfaces of fibrillating ventricular wall of the sheep heart
13. Technical features of a CCD camera system to record cardiac fluorescence data
14. Incomplete reentry and epicardial breakthrough patterns during atrial fibrillation in the sheep heart
15. Slow conduction in cardiac tissue, II: Effects of branching tissue geometry
16. Interaction of inhomogeneities of repolarization with anisotropic propagation in dog atria: A mechanism for both preventing and initiating reentry
17. Stationary and drifting spiral waves of excitation in isolated cardiac muscle
18. Optical mapping of repolarization and refractoriness from intact hearts
19. Cholinergically mediated tachyarrhythmias induced by a single extrastimulus in the isolated canine right atrium
20. The functional role of structural complexities in the propagation of depolarization in the atrium of the dog: Cardiac conduction disturbances due to discontinuities of effective axial resistivity
21. Role of right atrial endocardial structure as barriers to conduction during human type I atrial flutter. Activation and entrainment guided by intracardiac echocardiography
22. Attachment of meandering reentrant wave fronts to anatomic obstacles in the atrium. Role of the obstacle size
23. Simultaneous epicardial and endocardial activation sequence mapping in the isolated canine right atrium
24. Role of pectinate muscle bundles in the generation and maintenance of intra-atrial reentry: Potential implications for the mechanism of conversion between atrial fibrillation and atrial flutter
25. Mapping the conversion of atrial flutter to atrial fibrillation and atrial fibrillation to atrial flutter: Insights into mechanisms
26. Cardiac tissue geometry as a determinant of unidirectional conduction block: Assessment of microscopic excitation spread by optical mapping in patterned cell cultured and in a computer model
27. Ionic mechanisms of propagation in cardiac tissue: Roles of the sodium and L-type calcium currents during reduced excitability and decreased gap junction coupling
28. Relationship between local atrial fibrillation interval and refractory period in the isolated canine atrium
29. Idiopathic atrial fibrillation in dogs: Electrophysiologic determinants and mechanisms of antiarrhythmic action of flecainide
30. Unequal atrial stretch in dogs increases dispersion of refractoriness conductive to developing atrial fibrillation
31. Ionic mechanisms of regional action potential heterogeneity in canine right atrium
32. Multiple regional differences in cellular properties that regulate repolarization and contraction in the right atrium of adult and newborn dogs
33. Regional differences in transient outward current density and inhomogeneities of repolarization in rabbit right atrium
34. Characterization of atrial flutter: Studies in man after open heart surgery using fixed atrial electrodes
35. Relationship between atrial fibrillation and typical atrial flutter in humans: Activation sequence changes during spontaneous conversion
36. Simultaneous occurrence of atrial fibrillation and atrial flutter
37. Promotion of atrial fibrillation by heart failure in dogs: Atrial remodeling of a different sort