1
William Hsu: Classification of supraventricular and ventricular cardiac rhythms using cross channel timing algorithm. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, September 10, 2002: US06449503 (297 worldwide citation)

A system and method for classifying cardiac complexes sensed during a tachycardia episode. A first cardiac signal and a second cardiac signal are sensed, where the first cardiac signal has a voltage. A first cardiac complex and a second cardiac complex of a cardiac cycle are detected in the first an ...


2
William Hsu, Joseph Martin Smith: System and method for classifying cardiac complexes. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, July 24, 2001: US06266554 (282 worldwide citation)

A system and a method for classifying cardiac complexes based on cardiac information derived from two or more cardiac signals. Two or more cardiac signals containing cardiac complexes are monitored. A cardiac complex in the two or more cardiac signals is isolated in an analysis window. The morpholog ...


3
William Hsu, Joseph Martin Smith: System and method for a classifying cardiac complexes. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, August 20, 2002: US06438410 (267 worldwide citation)

A system and method classify cardiac complexes based on cardiac information derived from two or more cardiac signals. Two or more cardiac signals containing cardiac complexes are monitored. A cardiac complex in the two or more cardiac signals is isolated in an analysis window. The morphology of the ...


4
Jaeho Kim, William Hsu, Joseph Bocek, Harley White: Normal cardiac rhythm template generation system and method. Cardiac Pacemakers, Crawford Maunu PLLC, March 16, 2004: US06708058 (196 worldwide citation)

A method and system provides for generating a snapshot representative of one beat of a patient's normal cardiac rhythm. Cardiac rate channel signals and shock channel signals are sensed. A fiducial point is determined for a predefined number of the cardiac rate channel signals. A predefined num ...


5
Alan F Marcovecchio, William Hsu: Method and system for verifying the integrity of normal sinus rhythm templates. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, November 6, 2001: US06312388 (169 worldwide citation)

A method and system for verifying the integrity of normal sinus rhythm (NSR) templates and updating the NSR template after selected time intervals. At selected time intervals after establishing a NSR template, cardiac complexes are sensed and values for one or more cardiac parameters are measured. T ...


6
William Hsu, Joseph Martin Smith: System and method for arrhythmia discrimination. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, October 23, 2001: US06308095 (156 worldwide citation)

The present invention provides a system and a method for discriminating supraventricular tachyarrhythmias from ventricular arrhythmias during a tachycardia episode. First cardiac signals and second cardiac signals are sampled for cardiac complexes. A first feature on the first cardiac signal and a s ...


7
William Hsu, Joseph Martin Smith: System and method for classifying cardiac complexes. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, April 27, 2004: US06728572 (140 worldwide citation)

A system and method classify cardiac complexes based on cardiac information derived from two or more cardiac signals. Two or more cardiac signals containing cardiac complexes are monitored. A cardiac complex in the two or more cardiac signals is isolated in an analysis window. The morphology of the ...


8
William Hsu, Douglas J Lang: System for displaying cardiac arrhythmia data. Cardiac Pacemakers, Schwegman Lundberg Woessner and Kluth, January 18, 2000: US06016442 (115 worldwide citation)

A medical device system and method of plotting symbols representing complexes of selected arrhythmic events on an interactive display screen, for organizing, displaying and interacting with a patient's recorded arrhythmia episodes. Stored arrhythmic episode are selected from a plurality of arrhythmi ...


9
William Hsu, Douglas J Lang: System for displaying cardiac arrhythmia data. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, June 26, 2001: US06253102 (110 worldwide citation)

A medical device system and method of plotting symbols representing complexes of selected arrhythmic events on an interactive display screen, for organizing, displaying and interacting with a patient's recorded arrhythmia episodes. Stored arrhythmic episode are selected from a plurality of arrh ...


10
Avram Scheiner, William Hsu, David M Flynn, Qingsheng Zhu, John E Heil, Ronald W Heil Jr, Curtis C Lindstrom, Robert S Booker III, Yayun Lin, Peter T Kelley, Jay A Warren, Gerrard M Carlson, Carol Werlein, Aaron W Janke, Mary Lee Cole, Jeffrey T Bartig, Gary W Goebel, Douglas A Heitkamp, Randall M Peterfeso: Single pass lead system. Cardiac Pacemakers, Schwegman Lundberg Woessner & Kluth P A, April 3, 2001: US06212434 (108 worldwide citation)

A single-pass endocardial lead electrode adapted for implantation in, on or about the heart and for connection to a system for monitoring or stimulating cardiac activity includes a lead body which is adapted for implantation within a single chamber of the heart, or multiple chambers of the heart. Th ...