Abstract: A device for processing spatiotemporal dispersion signals of electrocardiograms. The device comprising a memory configured to receive spatiotemporal dispersion signals of electrocardiograms associated with a time marker and an electrocardiogram track. The device comprising a calculator configured to receive as input an electrogram track identifier and a time marker, to analyse the spatiotemporal dispersion signal of electrocardiograms associated with this electrogram track identifier, analyse a signal extract comprised between the time marker and the first previous time marker whose spatiotemporal dispersion signal value of electrocardiograms indicates a lack of dispersion, derive from this signal extract a flatness value of the signal, and a duration value derived from the duration of the signal extract, and feed back a track priority value calculated from the flatness value and the duration value.

Abstract: A device for determining a cardiac activation cycle length including a memory arranged so as to store electrogram data having time stamps and associated with a channel. The device includes a preparer arranged so as to receive electrogram data associated with a given channel and with a time window of at least 1.5 seconds. The device includes a detector arranged so as to receive the pre-processed data and to detect therein non-overlapping activation segments that each correspond to a window within said time window of at least 1.5 seconds. The device includes a computer arranged so as to determine a periodicity condition of the activations by determining in each activation segment a reference time point and by comparing the duration of intervals each defined by two reference time points consecutive to the duration of the time window of at least 1.5 seconds.

Abstract: A device for processing cardiac signals including a memory receiving input data sets including a plurality of P wave segments associated with an electrocardiogram track and with an acquisition time window, and a plurality of coronary sinus signals associated with the same acquisition time window and having one or more activation sequence(s). The device includes an extractor arranged, for a given input data set, to determine for at least some P wave segments of the given input data set a wave polarity profile type, at least one extremum feature. The extractor is also arranged to determine, for each group of track P wave data, a set of track P wave features comprising a polarity profile type, a data set extremum feature value for each calculated extremum feature type and an integral value determined based on the data of the corresponding group of track P wave data.

Abstract: A device for detecting heart rhythm disorders comprises a memory designed to receive cardiac electrogram data and to store data defining a first classification model for detecting heart rhythm disorders and a second classification model for detecting heart rhythm disorders, a classifier designed to analyze cardiac electrogram data based on a classification model, and to return a classification value, and a driver designed to store cardiac electrogram data in the memory and analyze the data with the classifier, and to return alert data when the analysis by the classifier returns a classification value associated with a heart rhythm disorder.

Abstract: The invention relates to a device for processing intracardiac signals, which comprises a memory unit (4) arranged to receive electrocardiogram data and synchronised electrogram data, a detector (6) arranged to analyse the electrocardiogram data and to detect QRS wave instants therein, an analyser (8) arranged to perform a wavelet transform of the electrogram data, an extractor (10) arranged to collect coefficients from the wavelet transform, each associated with a QRS wave instant detected by the detector (6), and to store them in a buffer (14), and a composer (12) arranged to extract a QRS fingerprint signal from the buffer (14) and subtract it from the wavelet transform at the QRS wave instants, and to output denoised electrogram data by inverse wavelet transform of the resulting signal.

Abstract: The inventions described herein relate to systems and methods directed to data-driven, continuous, and adaptable learning approaches to analyzing atrial tachycardia (AT) in a human body. The systems and methods may create an AT profile that automatically evolves such that a subsequent change in the AT is more accurately recognized and categorized.

Abstract: A computer device for real-time analysis of electrograms, comprising a memory arranged to receive real-time electrograms signals each originating from one of a plurality of electrodes, a first evaluator comprising an extractor and a gradient boosting based machine learning module, said extractor being arranged to extract a set of features comprising at least one timewise analysis feature and at least one morphological feature from each electrogram signal within a set of electrogram signals, and to feed the resulting sets of features to said gradient boosting based machine learning module trained on data comprising sets of features labelled with a value indicating whether the associated electrogram signal exhibits dispersion and arranged to output for each set of electrogram.

Abstract: A device for detecting heart rhythm disorders comprises a memory designed to receive cardiac electrogram data and to store data defining a first classification model for detecting heart rhythm disorders and a second classification model for detecting heart rhythm disorders, a classifier designed to analyze cardiac electrogram data based on a classification model, and to return a classification value, and a driver design to store cardiac electrogram data in the memory and analyze them with the classifier, and to return alert data when the analysis by the classifier returns a classification value associated with a heart rhythm disorder.

Abstract: The present invention concerns a method for identifying areas of the heart of a patient able to be involved in the perpetuation of atrial fibrillation. This method takes into account the reference cycle of the arrhythmia and has two variants: a local variant in which the areas of the heart are each analysed separately and a regional variant in which several areas of the heart are analysed together. The invention also concerns device for implementing said method a program and the medium thereof.