The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 05, 2018

Filed:

Nov. 17, 2014
Applicant:

Medtronic Monitoring, Inc., San Jose, CA (US);

Inventors:

Niranjan Chakravarthy, Eden Prairie, MN (US);

Abhi Chavan, Maple Grove, MN (US);

Scott Williams, Minneapolis, MN (US);

Rao Gudivada, Chao Chu Kang, SG;

Assignee:

Medtronic Monitoring, Inc., San Jose, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/04 (2006.01); A61B 5/0472 (2006.01); A61B 5/00 (2006.01); A61B 5/0245 (2006.01); A61B 5/0452 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0472 (2013.01); A61B 5/0006 (2013.01); A61B 5/0245 (2013.01); A61B 5/04012 (2013.01); A61B 5/0452 (2013.01); A61B 5/6823 (2013.01); A61B 5/6832 (2013.01); A61B 5/7275 (2013.01); A61B 5/7285 (2013.01);
Abstract

Described herein is a system and method of automatically monitoring QT intervals in a patient based on one or more EKG signals received from attached monitoring devices. Each EKG signal is analyzed to detect attributes of the first and second EKG signals, including QRS onset information, QRS peak information, and T-wave offset information. A QT interval is calculated based on QRS onset information derived from the first EKG signal and T-wave offset information derived from the second EKG signal. The calculated QT interval is compared to thresholds to detect elongation of the QT interval and an alert is generated in response to a detected elongated QT interval.


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