US 12,245,863 B2
Methods and systems for reducing false declarations of arrythmias
Donald Hopper, Maple Grove, MI (US); Luke C. McSpadden, Los Angeles, CA (US); Fujian Qu, San Jose, CA (US); Gene A Bornzin, Sylmar, CA (US); and Sinny Delacroix, Sylmar, CA (US)
Assigned to Pacesetter, Inc., Sylmar (CA)
Filed by Pacesetter, Inc, Sylmar, CA (US)
Filed on Dec. 20, 2022, as Appl. No. 18/085,491.
Application 18/085,491 is a continuation of application No. 16/589,978, filed on Oct. 1, 2019, granted, now 11,559,241.
Prior Publication US 2023/0117950 A1, Apr. 20, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61B 5/352 (2021.01); A61B 5/00 (2006.01); A61B 5/316 (2021.01); A61B 5/349 (2021.01); A61B 5/363 (2021.01); A61B 5/113 (2006.01)
CPC A61B 5/352 (2021.01) [A61B 5/316 (2021.01); A61B 5/349 (2021.01); A61B 5/363 (2021.01); A61B 5/686 (2013.01); A61B 5/721 (2013.01); A61B 5/113 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A computer implemented method, comprising:
under control of one or more processors of a medical device, where the one or more processors are configured with specific executable instructions,
obtaining data indicative of at least one of a posture or a respiration cycle;
obtaining cardiac activity (CA) signals for a series of beats;
automatically adjusting a CA sensing parameter utilized by the medical device to detect R-waves in the CA signals;
wherein the CA sensing parameter defines a sensitivity profile; and
detecting an arrhythmia based on an absence of one or more of the R-waves in at least a segment of the CA signals using the sensitivity profile defined by the CA sensing parameter that automatically adjusts.