Ventricular pacing in cardiac-related applications

摘要

Various aspects of the present disclosure are directed toward an asynchrony index that is related to data of a subject's heart. The asynchrony index includes intra-ventricular or inter-ventricular electrical asynchrony data. The intra-ventricular or inter-ventricular electrical asynchrony data can be specific to a certain subject, and indicative of a different conditions specific to that subject.

主权项

1. An apparatus comprising:
an acquisition circuit configured and arranged to collect a first signal at a first location of a subject's heart and a second signal at a second location of the subject's heart, the first signal being indicative of at least one of a first heart surface electrocardiography (ECG) and a first intracardiac electrogram (EG), and the second signal being indicative of at least one of a second heart surface ECG and a second intracardiac electrogram (EG); preprocessing circuitry configured and arranged to perform detection and filtering of QRS complexes of the first signal and the second signal collected by the acquisition circuit; analysis circuitry configured and arranged to:
from the first signal and the second signal, extract signal information comprising one or more of parameters and data points,segment the QRS complexes of the first signal and the second signal using the extracted information,cross-correlate the QRS complex segments of the first signal and the second signal to produce a correlation signal, andprovide an asynchrony index that at least one of is based on and corresponds to the correlation signal and that indicates a level of electrical asynchrony between the first location and the second location.