Biosense Webster (israel) Ltd.

Nuno Miguel Rocha Cortez-Diaz

Natan Sharon Katz

Gal Hayam

Lior Botzer

Eliyahu Ravuna

Elad Nakar

Tal Haim Bar-on

Yaron Kadoshi

Refael Itah

Yoav Benaroya

A method includes receiving a bipolar signal sensed by a pair of electrodes at a location in a heart of a patient. One or more electrocardiogram (ECG) signals are received, sensed by body-surface electrodes attached to the patient. Two or more successive QRS complexes are identified in the bipolar signal. One or more activations are detected in the bipolar signal, which occur within a window-of-interest that begins at least a given time with respect to the identified QRS complexes. The detected activations are checked whether they are late potentials, by verifying whether (i) the activations do not coincide with a predefined event observed in the ECG signals, and (ii) the activations are repeatable in the successive QRS complexes. In response to deciding that at least one of the detected activations is a late potential, the latest of the at least one of the late potentials is visualized to a user.

Annotation of late potentials comprising local abnormal ventricular activation (LAVA) signals

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Haifa, Israel

Nuno Miguel Rocha Cortez-Diaz