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Dynamic electrocardiogram data analysis method

A dynamic electrocardiogram and ECG data technology, applied in medical science, sensors, diagnostic recording/measurement, etc., can solve problems such as analysis system feedback errors, long-term data recording, variation, etc., to avoid feedback errors and fast calculation and analysis process Effect

Active Publication Date: 2021-01-22
山东平伟医疗技术有限公司
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Problems solved by technology

[0005] Using the above-mentioned analysis method, for the analysis of RR interval, the RR interval is not regular when atrial fibrillation occurs, so it is necessary to analyze the ECG records for a long time. It is reflected in the form of a dot diagram or a histogram, which requires a long period of data recording, but cannot analyze and identify shorter data
[0006] The analysis of atrial activity is to analyze the P wave or f wave. The current time-domain method only analyzes the P wave. In special cases, it is likely that it cannot be detected. Variation but not atrial fibrillation; when the electrocardiogram is abnormal in delicate atrial fibrillation, there is no P wave, and the f wave is not obvious at this time; In the event of an undetectable situation, the analysis system will feedback an error and cannot perform normal analysis

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Embodiment Construction

[0032] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes.

[0033] A dynamic electrocardiogram data analysis method, characterized in that: the steps include:

[0034] (1) QRS waveform recognition: filter the collected ECG raw data, the filtered data is the ECG data to be analyzed, and calculate the amplitude threshold while performing differential calculation on the data to be analyzed, according to different sampling rates The difference formula with different coefficients:

[0035] Center difference integer coefficient N=Sampling Rate(Hz)*0.01;

[0036] Difference ΔX i =(-1*N*X i-N )+(-1*(N-1)*X i-N-1 )+...+0*X i +...+(N-1)*X i+N-1 +N*X i+N ;

[0037] When ΔX i-1 *ΔX i+1 When i-1 >ΔX i+1, then the inflection point is a positive wave, otherwise it is a negative wave; to obtain the amplitude threshold of the ECG data to be analyzed, first count the po...

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Abstract

The invention relates to a dynamic electrocardiogram data analysis method. The dynamic electrocardiogram data analysis method comprises the step of (1) QRS waveform recognition: A, differential calculation, wherein collected electrocardiogram original data is subjected to filtering processing, the data subjected to filtering processing is electrocardiogram data to be analyzed, and an amplitude threshold value is counted while the data to be analyzed is subjected to differential calculation. By the adoption of the method, the calculation and analysis process is faster, long-time electrocardiogram data recording is not needed any more, and short electrocardiogram data can also be analyzed; the situation that the data cannot be detected does not occur easily, feedback errors of an analysis system are avoided, and the system can conduct normal analysis.

Description

Technical field: [0001] The invention relates to a dynamic electrocardiogram data analysis method. Background technique: [0002] Holter electrocardiography is the whole process of continuously recording the electrical activity of the patient's heart for 24 hours or more in daily life through a dynamic electrocardiograph, so as to discover arrhythmia and myocardial ischemia that are not easy to be found in conventional body surface electrocardiogram examinations. It provides an important objective basis for clinical diagnosis, treatment and judgment of curative effect. [0003] Due to the huge amount of dynamic electrocardiogram information, it is very difficult to rely on doctors to observe the information of the electrocardiogram. Therefore, the dynamic electrocardiogram usually needs to be analyzed by a special dynamic electrocardiogram analysis system. At present, the analysis system used to analyze the abnormality of atrial fibrillation in the dynamic electrocardiogram ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/346A61B5/366A61B5/361
CPCA61B5/725
Inventor 张睿薛汝成
Owner 山东平伟医疗技术有限公司
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