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AI Biotech/Diagnostics: General Diagnostics
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Patent US10143392
Issued 2018-12-04
Vcg Vector Loop Bifurcation
A system for determining T wave bifurcation that includes three or more ECG leads configured to receive an ECG signal and a first computing device including a processor coupled to a memory, the processor and the memory configured to perform operations including: generating at least two orthogonal ECG vectors based on the ECG signal of a patient, processing the at least two orthogonal ECG vectors to determine a loop trajectory of at least a portion of the ECG signal, identifying a trajectory bifurcation by comparing the loop trajectory to a control loop trajectory for a plurality of cardiac cycles, and determining an indicator of a cardiac event based on the trajectory bifurcation.
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- 1. An apparatus comprising a non-volatile computer readable medium storing instructions for causing a computing system to perform operations comprising:
receiving, from two or more ECG leads, an ECG signal of a patient; generating at least two orthogonal ECG vectors based on the ECG signal; processing the at least two orthogonal ECG vectors to determine a vectorcardiogram loop trajectory of at least a portion of the ECG signal; identifying a trajectory bifurcation by comparing the vectorcardiogram loop trajectory to a control vectorcardiogram loop trajectory for at least three consecutive cardiac cycles of a plurality of cardiac cycles; determining a variation of the trajectory bifurcation over time, the determination based on an analysis of the trajectory bifurcation of the at least three consecutive cardiac cycles; determining an indicator of a cardiac event based on the variation of the trajectory bifurcation; and delivering a treatment to the patient based on the determined indicator of the cardiac event.
- 37. A computer-implemented method executed by one or more processors, the method comprising:
receiving, from two or more ECG leads, an ECG signal of a patient; generating at least two orthogonal ECG vectors based on the ECG signal; processing the at least two orthogonal ECG vectors to determine a vectorcardiogram loop trajectory of at least a portion of the ECG signal; identifying a trajectory bifurcation by comparing the vectorcardiogram loop trajectory to a control vectorcardiogram loop trajectory for at least three consecutive cardiac cycles of a plurality of cardiac cycles; determining a variation of the trajectory bifurcation over time, the determination based on an analysis of the trajectory bifurcation of the at least three consecutive cardiac cycles; determining an indicator of a cardiac event based on the variation of the trajectory bifurcation; and delivering a treatment to the patient based on the determined indicator of the cardiac event.
