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A ventricular fibrillation signal detection method, system and ventricular fibrillation detection device

A technology for ventricular fibrillation and signal detection, applied in diagnostic recording/measurement, medical science, diagnosis, etc., can solve the problems of high misjudgment rate and low accuracy rate of ventricular fibrillation detection methods, and achieve high accuracy rate and misjudgment low rate effect

Inactive Publication Date: 2021-05-25
PEKING UNIV
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Problems solved by technology

[0006] Embodiments of the present invention provide a ventricular fibrillation signal detection method, system, and ventricular fibrillation detection device to solve the problems of high misjudgment rate and low accuracy rate of the existing ventricular fibrillation detection method based on time delay algorithm

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  • A ventricular fibrillation signal detection method, system and ventricular fibrillation detection device
  • A ventricular fibrillation signal detection method, system and ventricular fibrillation detection device
  • A ventricular fibrillation signal detection method, system and ventricular fibrillation detection device

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Embodiment Construction

[0058] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0059] refer to figure 1 As shown, the ventricular fibrillation in the embodiment of the present invention is a malignant ventricular arrhythmia, referred to as ventricular fibrillation, including three rhythms: ventricular fibrillation, ventricular tachycardia and ventricular flutter. refer to figure 2 As shown, since there is a dynamic conversion relationship among the three malignant arrhythmias of ventricular fibrillation, ve...

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Abstract

The invention relates to the field of electrocardiographic signal monitoring, in particular to a method and system for detecting ventricular fibrillation signals and a device for detecting ventricular fibrillation. In the embodiment of the present invention, the collected ECG signal is preprocessed, and divided into each ECG signal segment in the unit of preset time; based on the time delay algorithm, the eigenvalues ​​of the above-mentioned ECG signal segments are respectively calculated; if the initial If the eigenvalue of the ECG segment is greater than the first preset threshold, it is confirmed that the initial ECG segment is a ventricular fibrillation signal segment, otherwise it is not a ventricular fibrillation signal segment; and it is judged whether the current ECG signal segment is a ventricular fibrillation signal segment, it is necessary to consider whether the previous segment of the current ECG signal segment is a ventricular fibrillation signal segment, and judge according to the corresponding different preset thresholds; because the ventricular fibrillation caused by the characteristics of ventricular fibrillation persistence is taken into account The influence of the signal on the subsequent ECG signal, so the misjudgment rate is low and the accuracy rate is high.

Description

technical field [0001] The present invention relates to the field of ECG (Electrocardiogram) monitoring, in particular to a ventricular fibrillation signal detection method, system and ventricular fibrillation detection device. Background technique [0002] Cardiovascular disease remains the leading cause of death worldwide. The number of people who die from cardiovascular diseases is as high as 17.3 million every year. It is estimated that by 2030, more than 23.6 million people will die of cardiovascular diseases worldwide every year. Among all the causes of cardiovascular disease death, sudden cardiac death (Sudden Cardiac Death, SCD) is one of the main factors of cardiovascular disease death. There are as many as 3 million people who die from cardiac arrest every year in the world, including 450,000 in the United States, 400,000 in Europe, and more than 540,000 in China, ranking first in the world. In the cases of sudden death, about 80% are caused by malignant arrhythm...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/361
CPCA61B5/7225A61B5/361
Inventor 邱亚星黄安鹏
Owner PEKING UNIV
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