WO2023022511A9 - 2개 유도의 비동시적 심전도를 기반으로 하는 동시적 심전도 생성 방법 - Google Patents
2개 유도의 비동시적 심전도를 기반으로 하는 동시적 심전도 생성 방법 Download PDFInfo
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- WO2023022511A9 WO2023022511A9 PCT/KR2022/012283 KR2022012283W WO2023022511A9 WO 2023022511 A9 WO2023022511 A9 WO 2023022511A9 KR 2022012283 W KR2022012283 W KR 2022012283W WO 2023022511 A9 WO2023022511 A9 WO 2023022511A9
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000001360 synchronised effect Effects 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 10
- 230000000284 resting effect Effects 0.000 claims description 2
- 238000002565 electrocardiography Methods 0.000 description 61
- 239000000284 extract Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000000605 extraction Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000003745 diagnosis Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 208000019622 heart disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/327—Generation of artificial ECG signals based on measured signals, e.g. to compensate for missing leads
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/346—Analysis of electrocardiograms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7275—Determining trends in physiological measurement data; Predicting development of a medical condition based on physiological measurements, e.g. determining a risk factor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7271—Specific aspects of physiological measurement analysis
- A61B5/7278—Artificial waveform generation or derivation, e.g. synthesising signals from measured signals
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- G—PHYSICS
- G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
- G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
- G16H50/00—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
- G16H50/20—ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
Definitions
- the present invention relates to a method for generating simultaneous ECGs based on asynchronous ECGs of two leads, and more specifically, from asynchronous ECG information of two leads measured at different time points using a principle-based algorithm. It relates to a method of generating electrocardiogram information.
- Electrocardiography is a graphic recording of potentials related to heartbeats on the surface of the body. Electrocardiography is used for examination and diagnosis of circulatory diseases, and has the advantage of being simple, relatively inexpensive, non-invasive, and easily repeatable.
- a 12-lead electrocardiogram records the potential of the heart in 12 electrical directions centered on the heart, and through this, it is possible to accurately read heart disease confined to one area.
- the present invention is to provide a method of generating simultaneous ECG information from asynchronous ECG information of two leads measured at different time points using a principle-based algorithm.
- a method for generating a simultaneous ECG using a simultaneous ECG generating device includes the steps of acquiring a plurality of ECG data measured asynchronously from a one-lead ECG device, the obtained classifying a plurality of electrocardiogram data into reference electrocardiogram data and reference electrocardiogram data, classifying the reference electrocardiogram data by bit and converting the reference electrocardiogram data into a plurality of reference unit electrocardiogram data; extracting a characteristic value and extracting a second characteristic value of a time irrelevant to electrocardiogram induction from the plurality of reference unit electrocardiogram data; setting a reference point in the reference electrocardiogram data; and generating a synchronized virtual electrocardiogram by arranging reference unit electrocardiogram data.
- the converting into the plurality of reference unit electrocardiogram data may include extracting a peak point of any one of the P wave, Q wave, R wave, S wave, and T wave included in the reference electrocardiogram data, and extracting the extracted peak point.
- the reference electrocardiogram data may be converted into a plurality of reference unit electrocardiogram data by extracting a predetermined time centered on a point.
- the step of extracting the characteristic value may include a first period of time unrelated to ECG induction using the time length of any one of the P wave, Q wave, R wave, S wave, and T wave included in the reference ECG data.
- a characteristic value may be extracted, and a second characteristic value of a time irrelevant to ECG induction may be extracted using the time length of the reference ECG data.
- the peak point of any one of the P wave, Q wave, R wave, S wave, and T wave included in the reference electrocardiogram data is set as a reference point, and the set reference point
- a plurality of reference units of electrocardiogram data may be arranged based on .
- the generating of the synchronized virtual electrocardiogram may include comparing a first characteristic value of the reference electrocardiogram data with a second characteristic value of the reference unit electrocardiogram data, and having a second characteristic value most similar to the first characteristic value. After extracting the reference unit ECG data, setting the peak point of any one of the P wave, Q wave, R wave, S wave, and T wave included in the reference ECG data as a reference point, The extracted reference unit electrocardiogram data may be arranged.
- the generating of the synchronized virtual electrocardiogram may include generating a synchronized virtual electrocardiogram by adding an electrocardiogram located in a resting section of a reference electrocardiogram or a reference electrocardiogram between the arranged reference unit electrocardiogram data and other reference unit electrocardiogram data. there is.
- a virtual ECG can be generated by extracting a reference ECG having the most similar characteristic values of the reference ECG using the characteristic values of the reference ECG and arranging them according to reference points, a virtual ECG can be generated.
- the medical staff can increase the accuracy of the electrocardiogram reading.
- FIG. 1 is a configuration diagram of a simultaneous electrocardiogram generating device according to an embodiment of the present invention.
- FIG. 2 is a flowchart illustrating a method of generating a simultaneous ECG using an apparatus for generating a simultaneous ECG according to an embodiment of the present invention.
- FIG. 3 is an exemplary diagram for explaining step S220 shown in FIG. 2 .
- FIG. 4 is an exemplary diagram for explaining a method of arranging reference unit electrocardiogram data in step S240 shown in FIG. 2 .
- FIG. 5 is an exemplary diagram illustrating a synchronized virtual electrocardiogram generated in step S240 shown in FIG. 2 .
- FIG. 1 is a configuration diagram of a simultaneous electrocardiogram generating device according to an embodiment of the present invention.
- the simultaneous electrocardiogram generator 100 includes an electrocardiogram data acquisition unit 110, a data conversion unit 120, a characteristic value extraction unit 130, and an electrocardiogram generator. (140).
- the electrocardiogram data acquiring unit 110 acquires a plurality of asynchronously measured electrocardiogram data.
- the data conversion unit 120 classifies the plurality of ECG data into reference ECG data and reference ECG data, and converts the reference ECG data into a plurality of reference unit ECG data.
- the characteristic value extraction unit 130 extracts a first characteristic value from reference ECG data and extracts each second characteristic value from a plurality of reference unit ECG data.
- the electrocardiogram generating unit 140 arranges the plurality of reference unit electrocardiogram data using the first characteristic value of the reference electrocardiogram data and the second characteristic value of the plurality of reference unit electrocardiogram data to generate a virtual electrocardiogram synchronized with the reference electrocardiogram data.
- FIG. 2 is a flowchart illustrating a method of generating a simultaneous ECG using an apparatus for generating a simultaneous ECG according to an embodiment of the present invention.
- the simultaneous electrocardiogram generating apparatus 100 acquires two electrocardiogram data (S210).
- the electrocardiogram data acquisition unit 110 acquires two electrocardiogram data from a one-lead electrocardiogram device (not shown).
- the two ECG data are asynchronous ECG data.
- the data conversion unit 120 classifies the acquired two ECG data into reference ECG data and reference ECG data, and converts the reference ECG data into a plurality of reference unit ECG data (S220).
- the data conversion unit 120 sets one of the two acquired ECG data as reference ECG data and sets the other ECG data as reference ECG data.
- the data conversion unit 120 converts the reference ECG data into a plurality of reference unit ECG data using peak points of waveforms constituting the reference ECG data.
- FIG. 3 is an exemplary diagram for explaining step S220 shown in FIG. 2 .
- the data conversion unit 120 extracts a peak point from a waveform included in reference ECG data. For example, the data conversion unit 120 extracts the peak point (black arrow) of the R wave of the reference ECG data, and converts the ECG data into a plurality of reference units at predetermined time intervals around the extracted peak point. do.
- the characteristic value extraction unit 130 extracts a first characteristic value from reference ECG data and extracts a second characteristic value from a plurality of reference unit ECG data (S230).
- the characteristic value extractor 130 uses the time length of any one of the P wave, Q wave, R wave, S wave, and T wave included in the reference ECG data to obtain a first characteristic value of time unrelated to ECG induction. extract
- the characteristic value extractor 130 extracts a second characteristic value of time unrelated to ECG induction by using the time lengths of the plurality of reference unit ECG data.
- the electrocardiogram generation unit 140 generates a synchronized virtual electrocardiogram by arranging a plurality of reference unit electrocardiogram data corresponding to the reference electrocardiogram data (S240).
- the electrocardiogram generator 140 compares a first characteristic value of reference electrocardiogram data with a second characteristic value of a plurality of reference unit electrocardiogram data.
- the electrocardiogram generating unit 140 extracts a second characteristic value similar to the first characteristic value, and arranges reference unit electrocardiogram data corresponding to the extracted second characteristic value by matching with the reference electrocardiogram data.
- FIG. 4 is an exemplary diagram for explaining a method of arranging reference unit electrocardiogram data in step S240 shown in FIG. 2
- FIG. 5 is an exemplary diagram showing a synchronized virtual electrocardiogram generated in step S240 shown in FIG. 2 .
- the electrocardiogram generator 140 arranges reference unit electrocardiogram data corresponding to each reference point of a waveform constituting the reference electrocardiogram data.
- the electrocardiogram generation unit 140 connects the arranged reference unit electrocardiogram data and other reference electrocardiogram data.
- the electrocardiogram generating unit 140 refers to the reference electrocardiogram data or the electrocardiogram at rest included in the reference electrocardiogram data, or considers the values of the start and end points of the reference unit electrocardiogram data and connects them.
- a virtual ECG can be generated by extracting a reference ECG having the most similar characteristic values of the reference ECG using the characteristic values of the reference ECG and arranging them according to reference points, a virtual ECG can be generated.
- the medical staff can increase the accuracy of the electrocardiogram reading.
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Abstract
Description
Claims (6)
- 동시적 심전도 생성 장치를 이용한 동시적 심전도를 생성하는 방법에 있어서,유도 심전도 기구로부터 비동시적으로 측정된 복수의 심전도 데이터를 획득하는 단계,상기 획득한 복수의 심전도 데이터를 기준 심전도 데이터와 참조 심전도 데이터로 분류하고, 상기 참조 심전도 데이터를 비트 별로 구분하여 복수의 참조 단위 심전도 데이터로 변환하는 단계,상기 기준 심전도 데이터로부터 심전도 유도와 관계없는 시간의 제1 특성값을 추출하고, 상기 복수의 참조 단위 심전도 데이터로부터 심전도 유도와 관계없는 시간의 제2 특성값을 추출하는 단계, 그리고상기 기준 심전도 데이터에 기준점을 설정하고, 상기 설정된 기준점을 기준으로 상기 복수의 참조 단위 심전도 데이터를 배열하여 동기화된 가상의 심전도를 생성하는 단계를 포함하는 동시적 심전도를 생성하는 방법.
- 제1항에 있어서,상기 복수의 참조 단위 심전도 데이터로 변환하는 단계는,상기 참조 심전도 데이터에 포함된 P파, Q파, R파, S파 및 T 파 중에서 어느 하나의 파형의 피크점을 추출하고, 상기 추출된 피크점을 중심으로 기 설정된 시간만큼 추출하여 상기 참조 심전도 데이터를 복수의 참조 단위 심전도 데이터로 변환하는 동시적 심전도를 생성하는 방법.
- 제2항에 있어서,상기 특성값을 추출하는 단계는,상기 기준 심전도 데이터에 포함된 P파, Q파, R파, S파 및 T 파 중에서 어느 하나의 파형의 시간 길이를 이용하여 심전도 유도와 관계없는 시간의 제1 특성값을 추출하고,상기 참조 심전도 데이터의 시간 길이를 이용하여 심전도 유도와 관계없는 시간의 제2 특성값을 추출하는 동시적 심전도를 생성하는 방법.
- 제3항에 있어서,상기 동기화된 가상의 심전도를 생성하는 단계는,상기 기준 심전도 데이터에 포함된 P파, Q파, R파, S파 및 T 파 중에서 어느 하나의 파형의 피크점을 기준점으로 설정하고, 상기 설정된 기준점을 기준으로 복수의 참조 단위 심전도 데이터를 배열하는 동시적 심전도를 생성하는 방법.
- 제3항에 있어서,상기 동기화된 가상의 심전도를 생성하는 단계는,상기 기준 심전도 데이터의 제1 특성값과 상기 참조 단위 심전도 데이터의 제2 특성값을 비교하여,상기 제1 특성값과 가장 유사한 제2 특성값을 가진 참조 단위 심전도 데이터를 추출하고,상기 기준 심전도 데이터에 포함된 P파, Q파, R파, S파 및 T 파 중에서 어느 하나의 파형의 피크점을 기준점으로 설정한 다음, 상기 설정된 기준점을 기준으로 추출된 참조 단위 심전도 데이터를 배열하는 동시적 심전도를 생성하는 방법.
- 제4항 또는 제5항에 있어서,상기 동기화된 가상의 심전도를 생성하는 단계는,배열된 참조 단위 심전도 데이터와 다른 참조 단위 심전도 데이터 사이에 기준 심전도 또는 참조 심전도의 휴지기 구간에 위치하는 심전도를 추가하여 동기화된 가상의 심전도를 생성하는 동시적 심전도를 생성하는 방법.
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JP2024508510A JP2024529686A (ja) | 2021-08-17 | 2022-08-17 | 2誘導の非同期性心電図に基づく同期性心電図生成方法 |
EP22858748.1A EP4371486A1 (en) | 2021-08-17 | 2022-08-17 | Simultaneous electrocardiogram generation method based on 2-lead non-simultaneous electrocardiograms |
CN202280056121.0A CN117813051A (zh) | 2021-08-17 | 2022-08-17 | 以2个导联的异步心电图为基础的同步心电图生成方法 |
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