1
Andrew P Kramer, Jeffrey E Stahmann, Rene H Wentkowski, Kenneth L Baker, Jesse W Hartley, David B Krig: System providing ventricular pacing and biventricular coordination. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, September 4, 2001: US06285907 (294 worldwide citation)

A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is computed based at least in part on an underlying intrinsic heart rate. The indicated pacing interval is us ...


2
Donald L Hopper, Jeffrey E Stahmann, Bruce R Jones, James P Nelson: Implantable cardiac rhythm management device for assessing status of CHF patients. Cardiac Pacemakers, Thomas J Nikolai, Nikolai & Mersereau P A, October 1, 2002: US06459929 (269 worldwide citation)

A method and apparatus for providing congestive heart failure therapy status. An electronic device, preferably a cardiac rhythm management device, capable of measuring transthoracic impedance and for sensing a level of physical activity is implanted in a patient. The transthoracic impedance signal i ...


3
Andrew P Kramer, Jeffrey E Stahmann, Rene H Wentkowski, Kenneth L Baker, Jesse W Hartley, David B Krig: System providing ventricular pacing and biventricular coordination. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, June 25, 2002: US06411848 (211 worldwide citation)

A cardiac rhythm management system includes techniques for computing an indicated pacing interval, AV delay, or other timing interval. In one embodiment, a variable indicated pacing interval is computed based at least in part on an underlying intrinsic heart rate. The indicated pacing interval is us ...


4
Steven D Girouard, Jeffrey E Stahmann, Robert J Sweeney, Bruce H KenKnight: Cardiac rhythm management systems and methods predicting congestive heart failure status. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, October 24, 2006: US07127290 (160 worldwide citation)

This document describes, among other things, systems, devices, and methods for predicting how the status of the patient's congestive heart failure (CHF) condition will progress in the future. In one example, a therapy is provided or adjusted at least in part in response to the prediction.


5
Jeffrey E Stahmann, Jesse W Hartley: Multi-sensor blending in a rate responsive cardiac pacemaker. Cardiac Pacemakers, Haugen and Nikolai, December 27, 1994: US05376106 (158 worldwide citation)

A multi-sensor blending circuit for use in a rate responsive cardiac pacemaker. The blending logic circuit blends delta pacing rate signals from two or more sensors which measure physical and physiological parameters of a patient. Programmable equations stored in the blending logic circuit determine ...


6
Donald L Hopper, Jeffrey E Stahmann, Bruce R Jones, James P Nelson: Implantable cardiac rhythm management device for assessing status of CHF patients. Cardiac Pacemakers, Nikolai Mersereau & Dietz P A, August 14, 2001: US06275727 (135 worldwide citation)

A method and apparatus for providing congestive heart failure therapy status. An electronic device, preferably a cardiac rhythm management device, capable of measuring transthoracic impedance and for sensing a level of physical activity is implanted in a patient. The transthoracic impedance signal i ...


7
Jeffrey E Stahmann, John Hatlestad, Boyce Moon: Thoracic impedance detection with blood resistivity compensation. Cardiac Pacemakers, Schwegman Lundberg & Woessner P A, June 17, 2008: US07387610 (119 worldwide citation)

This document discusses, among other things, a cardiac rhythm management device or other implantable medical device that uses thoracic impedance to determine how much fluid is present in the thorax, such as for detecting or predicting congestive heart failure, pulmonary edema, pleural effusion, hypo ...


8
Jeffrey E Stahmann, Andrew P Kramer: Method and apparatus for maintaining synchronized pacing. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, January 28, 2003: US06512952 (117 worldwide citation)

A device and method for cardiac rhythm management in which a cardiac site is paced in accordance with a pacing mode that employs sense signals from a different cardiac site. A protective period triggered by the sensing of intrinsic activity at the paced site is used to delay pacing by a protective d ...


9
Jesse W Hartley, Andrew P Kramer, Jeffrey E Stahmann, David B Krig: Cardiac rhythm management system promoting a trial pacing. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, March 5, 2002: US06353759 (114 worldwide citation)

A cardiac rhythm management system includes an atrial pacing preference (APP) filter for promoting atrial pacing. The APP filter includes an infinite impulse response (IIR) or other filter that controls the timing of delivery of atrial pacing pulses. The atrial pacing pulses are delivered at an APP- ...


10
Jesse W Hartley, Andrew P Kramer, Jeffrey E Stahmann, David B Krig: Cardiac rhythm management system promoting atrial pacing. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, February 26, 2002: US06351669 (113 worldwide citation)

A cardiac rhythm management system includes an atrial pacing preference (APP) filter for promoting atrial pacing. The APP filter includes an infinite impulse response (IIR) or other filter that controls the timing of delivery of atrial pacing pulses. The atrial pacing pulses are delivered at an APP- ...