Detection of electrophysiological (EP) conduction gaps in ablation line
AssigneeBiosense Webster (Israel) Ltd.
InventorsSigal Altman, Meytal Segev, Akram Zoabi, Fady Massarwa
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Abstract
A system includes an interface and a processor. The interface is configured to receive multiple electrophysiological (EP) signals from a tissue area along an ablation curve inside a cardiac chamber of a heart of a patient. The processor is configured to (i) generate local conduction vectors (LCVs) for the area based on the multiple EP signals, (ii) estimate a level of change between sets of LCVs along the ablation curve within the tissue area, and (iii) based on the level of change, identify a presence of a conduction gap in the ablation curve.#
Claims14
A system, comprising:
- an interface configured to receive multiple electrophysiological (EP) signals from a tissue area along an ablation curve inside a cardiac chamber of a heart of a patient;
- and
- a processor, which is configured to:
- generate local conduction vectors (LCVs) for the area based on the multiple EP signals;
- estimate a level of change between sets of LCVs along the ablation curve within the tissue area, wherein the processor estimates the level of change between the sets of LCVs based on a metric that comprises at least one of distance, angle, or length;
- and
- based on the level of change, identify a presence of a conduction gap in the ablation curve.
A method, comprising:
- receiving multiple electrophysiological (EP) signals from a tissue area along an ablation curve inside a cardiac chamber of a heart of a patient;
- generating local conduction vectors (LCVs) for the area based on the multiple EP signals;
- estimating a level of change between sets of LCVs along the ablation curve within the tissue area, wherein a processor estimates the level of change between the sets of LCVs based on a metric that comprises at least one of distance, angle, or length;
- and
- based on the level of change, identifying a presence of a conduction gap in the ablation curve.
Dependencies are inferred from the claim text.