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Electrocardiogram computer-aided diagnosis system and method

A computer-aided and diagnostic system technology, applied in computer-aided medical procedures, electrocardiography, diagnosis, etc., can solve problems such as limitations in the scope of application, and achieve the effects of simple and clear reasoning process, improved computing efficiency, and easy maintenance

Active Publication Date: 2008-01-16
SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
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Problems solved by technology

However, this method generally cannot be separated from the reasoning kernel, and the scope of application is greatly limited.

Method used

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  • Electrocardiogram computer-aided diagnosis system and method
  • Electrocardiogram computer-aided diagnosis system and method
  • Electrocardiogram computer-aided diagnosis system and method

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Embodiment Construction

[0040] As shown in Figure 1, the electrocardiogram computer-aided diagnosis system of this embodiment includes the following parts: characteristic parameter calculation and symbolization processing device 1, symbol set 2, intermediate reasoning result memory 3, inference engine 4, symbolic diagnosis rule library 5 , Physician diagnosis rule library 6, preliminary diagnosis conclusion storage device 7, conflict resolution processing device 8, conflict resolution rule database 9, final result output device 10.

[0041] Symbol set 2 is used to store symbols abstracted from the parameters used in electrocardiogram diagnosis; symbol set 2 is formed in the collation of physician clinical diagnosis experience database 6, which summarizes the original physician diagnosis experience database, and abstracts the relevant description less. The symbol, so that the expression of the entire rule base can be expressed with fewer unified symbols. The symbol set is the collection of these abstracte...

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Abstract

The invention discloses an auxiliary diagnostic system and method of a electrocardiogram computer, comprising the following steps: A1, receiving electrocardiosignals and calculating the characteristic parameters of the electrocardiosignals; B1, making sure of the symbol values of the characteristic parameters according to symbol values defined in concentration by symbols to cardiogram diagnostic parameters; C1, reasoning and judging diagnostic rules in a symbolized diagnostic rule base according to the symbol values of the characteristic parameters; D1, identifying and analyzing categories of an initial diagnosed result and optimizing the initial diagnosed result according to a conflict resolution rule base which is defined with identification relationships among categories which are easy to be confused and with priority ordering relationships among categories. The invention separates the diagnosis and reasoning process into two stages, an initial diagnosis and a conflict resolution, improving the reliability of the reasoned result, simplifying the entire reasoning process, achieving judges of a great deal of pathological signals and facilitating the maintenance, upgrade and improvement of the entire diagnostic system.

Description

【Technical Field】 [0001] The invention relates to the field of electrocardiogram signal processing, in particular to a system and method for electrocardiogram computer-aided diagnosis. 【Background technique】 [0002] Computer-aided diagnosis and analysis of electrocardiogram is the automatic analysis of electrocardiogram signals, and provides common clinical diagnosis parameters and possible diagnosis results for doctors' reference. The research of computer-aided diagnosis of electrocardiogram began in 1960. At first, it was only used for laboratory research, and then gradually accepted by clinicians. At present, some procedures are used for commercial sales. The relevant methods can be roughly divided into two research routes: one is to construct certain parameter indicators through pure engineering analysis methods for specific pathological signal identification or prediction, such as the complexity index for ventricular fibrillation discrimination and for atrial fibrillation d...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/0402G06F17/00
CPCA61B5/0452G06F19/345A61B5/349G16H50/20Y10S128/925
Inventor 叶文宇洪俊标李树峰
Owner SHENZHEN MINDRAY BIO MEDICAL ELECTRONICS CO LTD
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