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Example of pattern B before interference + noise is added (top graph) and...
Example of pattern B before interference + noise is added (top graph) and after four different interferences + noise are added (lower panels).
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Example of pattern B before interference is added (top graph) and after four...
Example of pattern B before interference is added (top graph) and after four different interferences are added (lower panels).
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Example of pattern A before interference + noise is added (top graph) and...
Example of pattern A before interference + noise is added (top graph) and after five different interferences + noise are added (lower panels).
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Example of pattern A before interference is added (top graph) and after five...
Example of pattern A before interference is added (top graph) and after five different interferences are added (lower panels).
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The Euclidean distance between the power spectrum of the mean from 216...
The Euclidean distance between the power spectrum of the mean from 216 recordings, and the spectral signatures of 214 individual recordings with interference added (panel (A)). Two thresholds are...
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The spectral signatures of pattern A and B computed from the basis vectors...
The spectral signatures of pattern A and B computed from the basis vectors derived from the mean signal. (A) Spectral signature of pattern A. (B) Spectral signature of pattern B. (C) Comparison of...
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Example of transform coefficients when two patterns A and B are embedded in...
Example of transform coefficients when two patterns A and B are embedded in interference. The basis vectors used to compute the transform coefficients were derived from all 216 recordings summed to...
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Examples of atrial electrograms used as patterns A and B to be detected in...
Examples of atrial electrograms used as patterns A and B to be detected in the set of 216 initial recording sequences (panels (A) and (B)). When two interferences are added (panels (C) and (D)) the...
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Flow diagram for pattern recognition in atrial fibrillation signals. , , , ,...
Flow diagram for pattern recognition in atrial fibrillation signals. , , , , , ℓ= number of candidate patterns selected by the Euclidean distance threshold value. The number of initial CFAE recordings...
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Summary of Clinical Studies of Circumferential Pulmonary Vein (PV) Ablation
Summary of Clinical Studies of Circumferential Pulmonary Vein (PV) Ablation
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Summary of Clinical Studies of Segmental Pulmonary Vein (PV) Ablation
Summary of Clinical Studies of Segmental Pulmonary Vein (PV) Ablation
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Demonstration of electrical dissociation of the left superior pulmonary vein...
Demonstration of electrical dissociation of the left superior pulmonary vein from the left atrium after catheter ablation. Figure shows electrogram recordings taken during pulmonary vein isolation....
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Use of multielectrode circular mapping catheter to guide electrical...
Use of multielectrode circular mapping catheter to guide electrical isolation of the right superior pulmonary vein (RSPV). Panel A shows left anterior oblique fluoroscopy view of the left atrium...
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Circumferential pulmonary vein ablation using electroanatomical mapping. The...
Circumferential pulmonary vein ablation using electroanatomical mapping. The figure shows posteroanterior view of an electroanatomical map merged with computed tomographic scan of the left atrium....
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Two approaches to ablation of peri-mitral left atrial flutter occurring...
Two approaches to ablation of peri-mitral left atrial flutter occurring after AF ablation. Left anterior oblique view of an electroanatomical map of the left atrium is shown. The lower line of red...
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Electroanatomical map of atypical atrial flutter due to incisional reentry...
Electroanatomical map of atypical atrial flutter due to incisional reentry late after surgical repair of atrial septal defect. Figure shows a right lateral view of electroanatomical map of right...
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Anatomy of the right atrium relevant to atrial flutter ablation. The figure...
Anatomy of the right atrium relevant to atrial flutter ablation. The figure shows right anterior oblique view of a heart model of the right atrium and right ventricle with the anterolateral walls...
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Right anterior oblique (RAO – A) and left anterior oblique (LAO – B)...
Right anterior oblique (RAO – A) and left anterior oblique (LAO – B) fluoroscopic views of catheter placement for ablation of typical atrial flutter. RA indicates right atrium; RV, right ventricle;...
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