Cardiac Pacemakers, Inc.

Randall L McPherson

David L Perschbacher

James O Gilkerson

Dan Li

Donald Lee Hopper

Gary Thomas Seim

Efdal Elferri

Device for debris capture and retainment

An implantable or ambulatory medical device can include a cardiac signal sensing circuit configured to provide a sensed cardiac depolarization signal of a heart of a subject, a respiration sensing circuit configured to provide a signal representative of respiration of the subject, and a control circuit communicatively coupled to the cardiac signal sensing circuit and the respiration circuit. The control circuit includes a tachyarrhythmia detection circuit configured to determine heart rate using the depolarization signal, determine a respiration parameter of the subject using the respiration signal, calculate a ratio using the determined heart rate and the determined respiration parameter, generate an indication of tachyarrhythmia when the calculated ratio satisfies a specified detection ratio threshold value, and provide the indication of tachyarrhythmia to a user or process.

Respiratory parameters for arrhythmia detection and therapy

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Myrtle Beach, SC, United States of America

Randall L McPherson