Apparatus and method for outputting electrocardiogram and respiratory signals

Abstract

The present invention relates to an apparatus and method for outputting a respiratory signal together with an electrocardiogram signal. A respiratory signal output device according to an embodiment of the present application includes an electrode signal measurement unit for measuring signals between at least two or more electrodes attached to a body of a subject, a respiratory signal generation unit for generating a respiratory signal of the subject based on the measured signals, an electrocardiogram signal generation unit for generating an electrocardiogram signal of the subject based on the measured signals, and an output unit for outputting the electrocardiogram signal and the respiratory signal.

Description

[Technical Field]

[0001] The present application relates to an apparatus and method for outputting electrocardiogram and respiratory signals. [Background technology]

[0002] Chronic obstructive pulmonary disease (COPD) is becoming increasingly prevalent in Korea due to the high smoking rate and rapid aging of the population, and is a major chronic disease and a leading cause of death worldwide. It is known that the decline in exercise capacity in COPD patients is due not only to a decrease in lung capacity but also to other factors, such as dysfunction of the respiratory and motor muscles. Pulmonary rehabilitation is a customized treatment provided to each patient based on a multifaceted assessment of their condition. It should include not only exercise but also all elements such as education, nutrition, and psychiatric treatment. Through this, it should be provided to improve the physical and emotional state of patients with chronic lung disease and maintain a state of long-term health promotion.

[0003] Furthermore, the most effective way to manage the progression of COPD is early diagnosis. Pulmonary function assessments are useful for diagnosing respiratory diseases and for assessing or managing lung function. For example, when a patient suffers from COPD, regular lung function assessments can be performed to measure the state of the disease.

[0004] Additionally, measuring respiratory flow parameters is one tool for assessing a patient's respiratory capacity. These parameters include respiratory temperature, flow, volume, and pressure, as well as respiratory function parameters that can be extracted from such measurements, such as respiratory rate, breath length and depth, apnea length, inspiration and expiration times, etc. Such measurements can be made using indirect or direct respiratory sensors that sense, measure, or monitor actual respiratory flow.

[0005] There are several known methods and devices for measuring respiratory flow parameters, such as spirometry and pulmonary function tests that measure ventilation and the movement of air in and out of the lungs, which require the subject to artificially breathe into or from a mouthpiece into a sensor.

[0006] On the other hand, in the case of spirometry and pulmonary function tests, which measure ventilation and the movement of air inside and outside the lungs, there is a limitation that in the case of non-ventilated patients, they can only be applied to discontinuous monitoring, which requires the patient to be awake, aware, and cooperative. In the case of devices that are worn on the subject's face so that the sensors included in the device are positioned in the respiratory flow, the sensors must be placed in a mask that covers the subject's nostrils and mouth, which is inconvenient for the subject.

[0007] Furthermore, when a wearable sensor that is attached to the subject's face is included, there is a limitation in that the sensor position on the subject's face must be accurately positioned and finely adjusted in order to match the sensor with the respiratory flow.

[0008] Other known methods include devices that must be worn on the subject's face so that the sensors contained within the device are positioned in the respiratory flow. One example of such a device is direct end-tidal carbon dioxide measurement (capnography). Other examples include wearable sensors that are worn on the subject, for example, on the face or head, so that the sensors are positioned around the nostrils and near the mouth.

[0009] Meanwhile, patients who are found to have respiratory problems through respiratory parameter measurements will undergo self-exercise or respiratory rehabilitation under the supervision of medical staff at a hospital, depending on their condition.

[0010] One prior invention relating to medical equipment for remote rehabilitation training deals with technology that provides a system for home-based cardiac and respiratory rehabilitation treatment by measuring biosignals using wearable devices.

[0011] Respiratory rehabilitation is carried out for patients with respiratory diseases with the goal of alleviating their symptoms through rehabilitation treatment, improving their exercise capacity, and reducing acute exacerbations. Respiratory rehabilitation involves a personalized exercise prescription under the supervision of medical staff and is evaluated through pulmonary function tests.

[0012] Outpatient respiratory rehabilitation treatment, which is the most commonly used method, requires at least 20-30 minutes per session, 3-5 times a week, and a minimum period of 6-8 weeks to be effective, and patients must continue to visit during this time. However, this has the problem of limiting the number of patients who can actually receive treatment due to limitations in transportation and other factors. [Prior art documents] [Patent documents]

[0013] [Patent Document 1] Korean Patent Registration No. 10-2278695 Summary of the Invention [Problem to be solved by the invention]

[0014] The present application aims to solve the problems of the prior art described above, and aims to provide a wearable device that enables measurement of respiratory parameters by measuring impedance changes through a built-in sensor of a wearable or adhesive electrocardiograph, and that does not cause inconvenience to the user when performing the function of a spirometer.

[0015] The present invention aims to solve the above-mentioned problems of the prior art.

[0016] However, the technical objectives to be achieved by the embodiments of the present application are not limited to the above-mentioned technical objectives, and other technical objectives may exist. [Means for solving the problem]

[0017] As a technical means for achieving the above technical object, a respiratory signal output device according to one embodiment of the present application may include an electrode signal measuring unit that measures signals between at least two or more electrodes attached to a subject's body, an electrocardiogram signal generating unit that generates an electrocardiogram signal of the subject based on the measured signals, a respiratory signal generating unit that generates a respiratory signal of the subject based on the measured signals, and an output unit that outputs the electrocardiogram signal and the respiratory signal.

[0018] Furthermore, the signal between the at least two or more electrodes is an impedance signal, and the respiratory signal generating unit can generate the respiratory signal based on the impedance signal.

[0019] The impedance signal indicates a change in impedance that changes due to muscle contraction and expansion of the subject when the subject breathes, and the respiratory signal generator detects the number of change values ​​of the impedance signal included in a predetermined time interval that are greater than a predetermined threshold value, and determines the respiratory rate of the subject based on the detected number of change values, and the respiratory signal may include the respiratory rate.

[0020] The respiratory signal generating unit can generate a respiratory signal of the subject based on the electrocardiogram signal and the impedance signal.

[0021] Furthermore, the respiratory signal generation unit generates a respiratory signal of the subject based on the impedance signal, and the respiratory signal generation unit can modify the generated respiratory signal based on the electrocardiogram signal.

[0022] Furthermore, the respiratory signal generating unit may change the generated respiratory signal when it determines that a measurement error issue has occurred in the subject based on the electrocardiogram signal.

[0023] The electrocardiogram signal generating unit can also change the generated electrocardiogram signal based on the respiratory signal.

[0024] The electrocardiogram signal generating unit can also generate an electrocardiogram signal and a cardiology-related signal for the subject based on the measured signals, and can modify the cardiology-related signal based on the respiratory signal.

[0025] The output unit can also display the electrocardiogram signal and the respiratory signal simultaneously on a single display device.

[0026] Meanwhile, a respiratory signal output method according to one embodiment of the present application may include the steps of measuring signals between at least two electrodes attached to a body of a subject, generating an electrocardiogram signal of the subject based on the measured signals, generating a respiratory signal of the subject based on the measured signals, and outputting the electrocardiogram signal and the respiratory signal.

[0027] The signal between the at least two electrodes may be an impedance signal, and the generating the respiratory signal may include generating the respiratory signal based on the impedance signal.

[0028] The impedance signal indicates a change in impedance that occurs due to muscle contraction and expansion of the subject when the subject breathes, and the generating of the respiratory signal includes detecting the number of change values ​​of the impedance signal within a predetermined time interval that are greater than a predetermined threshold value, and determining the respiratory rate of the subject based on the detected number of change values. The respiratory signal may include the respiratory rate.

[0029] Furthermore, the step of generating a respiratory signal may generate the respiratory signal of the subject based on the electrocardiogram signal and the impedance signal.

[0030] In the outputting step, the electrocardiogram signal and the respiratory signal may be simultaneously displayed on a single display device.

[0031] Furthermore, the step of generating a respiratory signal may generate a respiratory signal of the subject based on the impedance signal, and the step of generating a respiratory signal may modify the generated respiratory signal based on the electrocardiogram signal.

[0032] The above-described solutions are merely exemplary and should not be construed as limiting the present application. In addition to the exemplary embodiments described above, there may be additional embodiments in the drawings and detailed description of the invention. [Effects of the Invention]

[0033] According to the above-mentioned solution to the problem of the present application, it is possible to provide a wearable device that measures respiratory flow parameters by sensing impedance changes through a built-in sensor of a wearable electrocardiograph, thereby performing the function of a spirometer without the inconvenience of use.

[0034] In addition, continuous respiratory parameter information obtained through the wearable electrocardiograph allows medical staff to easily monitor patients undergoing home respiratory rehabilitation.

[0035] In addition, the respiratory information measured by the wearable electrocardiograph is displayed in a graph showing changes in respiratory rate over time. Therefore, when medical staff monitor patients undergoing home respiratory rehabilitation, they can evaluate whether the patient has undergone rehabilitation and its effectiveness not only in real time but also after the scheduled rehabilitation period.

[0036] However, the effects obtained by the present invention are not limited to the above-mentioned effects, and other effects may also exist. [Brief explanation of the drawings]

[0037] [Figure 1] 1 is a schematic configuration diagram of a respiratory signal output system according to an embodiment of the present application. [Figure 2] 1 is a diagram illustrating a configuration of a respiratory signal output device according to an embodiment of the present application. [Figure 3]FIG. 1 is a schematic block diagram of a respiratory signal output device according to an embodiment of the present application; [Figure 4] 1 is a diagram showing electrodes for measuring impedance in a respiratory signal output device according to an embodiment of the present application; [Figure 5] 10 is a diagram illustrating an example of an electrocardiogram signal and respiratory information output to a display device according to an embodiment of the present disclosure. [Figure 6] 1 is an operational flowchart of a respiratory signal output method according to an embodiment of the present application. DETAILED DESCRIPTION OF THE INVENTION

[0038] Hereinafter, embodiments of the present application will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily implement the present application. However, the present application may be embodied in various different forms and is not limited to the embodiments described herein. In order to clearly explain the present application in the drawings, parts that are not relevant to the description will be omitted, and similar parts will be designated by similar reference numerals throughout the specification.

[0039] Throughout this specification, when a part is said to be "coupled" to another part, this includes not only when they are "directly coupled" to each other, but also when they are "electrically coupled" to each other via another element in between.

[0040] Throughout this specification, when an element is referred to as being "on," "above," "at the top," "below," "below," or "below the bottom" of another element, this includes not only when the element is in contact with the other element, but also when there is another element between the two elements.

[0041] Throughout this specification, when a part "comprises" a certain element, this means that it can further include other elements, rather than excluding other elements, unless specifically stated to the contrary.

[0042] The present application relates to a respiratory signal output device 10 and method.

[0043] FIG. 1 is a schematic diagram of a respiratory signal output system 1000 according to an embodiment of the present invention.

[0044] 1 , a respiratory signal output system 1000 according to an embodiment of the present application may include a respiratory signal output device 10 according to an embodiment of the present application and a display device 30. Furthermore, the respiratory signal output device 10 of the respiratory signal output system 1000 may include an electrode signal measuring unit 110, an electrocardiogram signal generating unit 130, a respiratory signal generating unit 120, and an output unit 140.

[0045] In the description of the embodiments of the present application, the display device 30 may be a device for acquiring and outputting various information such as heart disease-related information, lung capacity information, home respiratory rehabilitation information, and respiratory information of a subject. For example, the display device 30 may be a device owned by a subject who operates the respiratory signal output device 10, or a device owned (possessed) by a manager who is in a position to monitor information output by the respiratory signal output device 10. As another example, the display device 30 may refer to a user-operated module that is integrally provided with the respiratory signal output device 10 and includes an input interface for receiving subject health information from the respiratory signal output device 10 and an output interface for outputting various information.

[0046] The respiratory signal output device 10 and the display device 30 can communicate with each other via a network 20. The network 20 refers to a connection structure that allows information exchange between nodes such as terminals and servers, and examples of such a network 20 include, but are not limited to, a 3GPP (registered trademark) (3rd Generation Partnership Project) network, a LTE (Long Term Evolution) network, a 5G network, a WIMAX (registered trademark) (World Interoperability for Microwave Access) network, the Internet, a LAN (Local Area Network), a Wireless LAN (Wireless Local Area Network), a WAN (Wide Area Network), a PAN (Personal Area Network), a Wi-Fi network, a Bluetooth (registered trademark) network, a satellite broadcasting network, an analog broadcasting network, and a DMB (Digital Multimedia Broadcasting) network.

[0047] FIG. 2 is a diagram showing the configuration of a respiratory signal output device 10 according to an embodiment of the present invention.

[0048] Referring to FIG. 2, a respiratory signal output device 10 according to one embodiment of the present application may be configured with a wearable device including at least two or more protruding electrodes and an electrode patch including contact electrodes electrically connected to the at least two or more protruding electrodes.

[0049] The wearable device may be formed in a planar shape such as a circle, an ellipse, or a rectangular shape, or in a polyhedral shape such as a cylinder or a triangular prism, and may be provided in various shapes according to the purpose of use and field of application. The shape of the wearable device is not limited to the shape shown in the drawings, and any shape having one surface on which a protruding electrode can be formed to contact the contact electrode of the electrode patch may be used.

[0050] In one embodiment of the present invention, the electrode patch is configured to be attached to the body of a subject and electrically connected to a wearable device, and may be made of a flexible material with wiring formed therein, allowing the electrode patch to bend or flex freely and therefore easily attached to a curved body.

[0051] FIG. 3 is a schematic block diagram of a respiratory signal output device 10 according to one embodiment of the present application.

[0052] A respiratory signal output device 10 according to one embodiment of the present application may include an electrode signal measuring unit 110 that measures signals between at least two or more electrodes attached to the body of a subject, a respiratory signal generating unit 120 that generates a respiratory signal of the subject based on the measured signals, an electrocardiogram signal generating unit 130 that generates an electrocardiogram signal of the subject based on the measured signals, and an output unit 140 that outputs the electrocardiogram signal and the respiratory signal.

[0053] According to one embodiment of the present application, the electrode signal measuring unit 110 can measure signals between at least two or more electrodes attached to the subject's body.

[0054] Specifically, the electrode signal measuring unit 110 can measure impedance signals between at least two or more electrodes.

[0055] Furthermore, during inspiration, the volume of gas in the chest increases relative to the volume of fluid, decreasing conductivity, and the length of the conduction path increases during inspiration, increasing impedance. The change in impedance (i.e., respiratory impedance) generates a voltage component that changes during current injection, allowing the subject's respiratory information to be determined through the variable voltage component.

[0056] According to one embodiment of the present application, the respiratory signal generating unit 120 may generate a respiratory signal of the subject based on signals measured between two or more electrodes.

[0057] Specifically, the respiratory signal generator 120 may generate a respiratory signal based on the impedance signal. The impedance signal may be a signal that indicates an impedance change that changes due to muscle contraction and expansion when the subject breathes, based on a baseline impedance that is a relatively constant value.

[0058] In addition, the respiratory signal generating unit 120 detects the number of change values ​​greater than a predetermined critical value among a plurality of change values ​​of the impedance signal included in a predetermined time interval, and determines the subject's respiratory rate based on the detected number of change values, thereby allowing the respiratory rate to be included in the respiratory signal.

[0059] Specifically, the respiratory signal generating unit 120 measures a plurality of impedance signals that change at predetermined cycles over a predetermined time period, and if the magnitude of the impedance signal measured at each cycle is equal to or greater than a critical value, counts the number of times the signal exceeds the critical value. Conversely, if the magnitude of the measured impedance signal is equal to or less than the critical value, the number of times is not counted, thereby determining the respiratory rate and generating a respiratory signal.

[0060] Furthermore, the respiratory signal generating unit 120 can generate a respiratory signal of the subject based on the electrocardiogram signal and the impedance signal.

[0061] Specifically, the respiratory signal generating unit 120 can generate a respiratory signal related to respiratory parameters including at least one of the subject's respiratory sufficiency index, minute ventilation, respiratory rate, daily respiratory volume, inhalation parameters, exhalation parameters, respiratory volume, and respiratory airflow based on the electrocardiogram signal and the impedance signal.

[0062] Furthermore, the respiratory signal generating unit 120 can generate respiratory signals corresponding to the respective respiratory parameters based on the electrocardiogram signal and the impedance signal over time.

[0063] Furthermore, the respiratory signal generating unit 120 can change the respiratory signal generated based on the electrocardiogram signal.

[0064] Specifically, the respiratory signal generating unit 120 can change the respiratory signal into the first respiratory signal and the second respiratory signal according to the procedure of the respiratory parameter with a large variation based on the interval and intensity of the electrocardiogram signal.

[0065] For example, if an electrocardiogram signal showing irregular heartbeats, a low heart rate, or a high heart rate is measured, the respiratory rate with the greatest variation can be changed to the first respiratory signal, and the respiratory rate with the next greatest variation can be changed to the second respiratory signal.

[0066] Furthermore, when determining that a measurement error issue has occurred in the subject based on the electrocardiogram signal, the respiratory signal generating unit 120 can change the generated respiratory signal.

[0067] For example, if an electrocardiogram signal indicating an irregular heartbeat, a low heart rate, or a high heart rate is measured, the respiratory signal generator 120 may change the generated respiratory signal to a respiratory signal requesting remeasurement.

[0068] According to one embodiment of the present application, the electrocardiogram signal generating unit 130 may generate an electrocardiogram signal of the subject based on signals measured between two or more electrodes.

[0069] Specifically, the electrocardiogram signal generating unit 130 may generate an electrocardiogram signal of the subject based on a change in voltage value due to a change in impedance measured from two or more electrodes during a preset time period.

[0070] Furthermore, if there is a waveform among the acquired electrocardiogram signals in which a signal belonging to a critical range occurs for a predetermined time, the signal corresponding to that waveform, i.e., the signal corresponding to the waveform that satisfies the predetermined characteristic conditions, can be determined to be a suspected abnormal electrocardiogram signal that may be an abnormal electrocardiogram signal.

[0071] Furthermore, the electrocardiogram signal generating unit 130 can change the electrocardiogram signal generated based on the respiratory signal.

[0072] Specifically, the electrocardiogram signal generating unit 130 can change the electrocardiogram signal into a first electrocardiogram signal, which is a normal electrocardiogram signal, and a second electrocardiogram signal, which is an abnormal electrocardiogram signal, based on each parameter included in the respiratory signal.

[0073] For example, if a respiratory signal is measured in which each respiratory parameter is within a predetermined range, the electrocardiogram signal can be changed to a first electrocardiogram signal, which is a normal electrocardiogram signal, and if a respiratory signal is measured in which each respiratory parameter is outside the predetermined range, the electrocardiogram signal can be changed to a second electrocardiogram signal, which is an abnormal electrocardiogram signal.

[0074] Furthermore, the electrocardiogram signal generating unit 130 can generate an electrocardiogram signal and a cardiology-related signal of the subject based on the measured signals, and can modify the cardiology-related signal based on the respiratory signal.

[0075] Specifically, when an electrical signal having a voltage value greater than a first voltage value and less than a second voltage value occurs within a predetermined time period among the electrocardiogram signals acquired from the respiratory signal output device 10, the electrocardiogram signal generating unit 130 can determine the signal as a suspected abnormal electrocardiogram signal and generate a heart disease-related signal.

[0076] After the suspected abnormal electrocardiogram signal is first determined to be an abnormal electrocardiogram signal, the electrocardiogram signal generating unit 130 can secondarily determine whether the suspected abnormal electrocardiogram signal is an abnormal electrocardiogram signal based on a comparison of similarities between a plurality of respiratory signal data already stored in a database (not shown) and the waveform data of the plurality of abnormal electrocardiogram signals and the waveform data of the suspected abnormal electrocardiogram signal. The electrocardiogram signal generating unit 130 can change the heart disease-related signal based on the second determination result and the respiratory signal.

[0077] According to one embodiment of the present application, the output unit 140 can output an electrocardiogram signal and a respiratory signal.

[0078] Specifically, the output unit 140 can output an electrocardiogram signal and a respiratory signal to a device held by the subject who operates the respiratory signal output device 10 or to a display device 30 held by an administrator who monitors the information output by the respiratory signal output device 10.

[0079] In addition, the output unit 140 can simultaneously display the electrocardiogram signal and the respiratory signal on one display device 30.

[0080] In this regard, FIG. 5 is a diagram illustrating an example of an electrocardiogram signal and respiratory information output to the display device 30 according to an embodiment of the present invention.

[0081] Referring to FIG. 5(a), for example, the output unit 140 can output an electrocardiogram signal and continuous respiratory rate information measured through the respiratory signal output device 10.

[0082] Specifically, the output unit 140 can output the electrocardiogram changes and the respective respiratory parameters included in the respiratory signal to the display device 30.

[0083] Also, referring to FIG. 5(b), the output unit 140 can output the change in respiratory rate over time measured through the respiratory signal output device 10.

[0084] Specifically, the output unit 140 can output to the display device 30 the change in each respiratory parameter included in the respiratory signal over time.

[0085] In addition, the output unit 140 can output each respiratory parameter set to a predetermined value by user input to the display device 30 in priority to other respiratory parameters so that respiratory parameters that are above or below the set value can be easily identified.

[0086] With the above configuration, the user can not only set the abnormal health signal section, but also more accurately monitor the patient by referring to the electrocardiogram signal and the respiratory signal displayed on one screen as a reference.

[0087] FIG. 6 is an operational flowchart of a respiratory signal output method according to an embodiment of the present invention.

[0088] 6 can be performed by the above-described respiratory signal output device 10. Therefore, even if omitted below, the contents described for the respiratory signal output device 10 can be similarly applied to the description of the respiratory signal output method.

[0089] Referring to FIG. 6, in step S601, the electrode signal measuring unit 110 may measure signals between at least two or more electrodes attached to the subject's body.

[0090] Next, in step S602, the respiratory signal generator 120 can generate a respiratory signal of the subject based on the measured signal.

[0091] Next, in step S603, the electrocardiogram signal generating unit 130 may generate an electrocardiogram signal of the subject based on the measured signal.

[0092] Next, in step S604, the output section 140 can output the electrocardiogram signal and the respiration signal.

[0093] In the above description, steps S601 to S604 may be further divided into additional steps or combined into fewer steps depending on the embodiment of the present application. Also, some steps may be omitted as necessary, and the order between steps may be changed.

[0094] A respiratory signal output method according to an embodiment of the present disclosure may be embodied in the form of program instructions that can be executed by various computer means and stored on a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions stored on the medium may be those specially designed and constructed for the present invention, or those known and available to those skilled in the art of computer software. Examples of computer-readable recording media include hardware devices specially configured to store and execute program instructions, such as magnetic media such as hard disks, floppy disks, and magnetic tape; optical media such as CD-ROMs and DVDs; magneto-optical media such as floptical disks; and ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language code, such as that produced by a compiler, but also high-level language code that can be executed by a computer using an interpreter, etc. The hardware devices may be configured to operate as one or more software modules to perform the operations of the present invention, or vice versa.

[0095] The above-described respiratory signal output method may also be implemented in the form of a computer program or application stored on a recording medium and executed by a computer.

[0096] The above description of the present application is for illustrative purposes only, and those skilled in the art will understand that the present application can be easily modified into other specific forms without changing the technical concept or essential features of the present application. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not limiting. For example, each component described as a single component may be implemented in a distributed form, and similarly, each component described as a distributed component may be implemented in a combined form.

[0097] The scope of the present application is defined by the claims that follow rather than by the above detailed description, and all modifications and variations that fall within the meaning and scope of the claims and their equivalents should be construed as being included within the scope of the present application.

Claims

1. A respiratory signal output device that outputs a respiratory signal together with an electrocardiogram signal, an electrode signal measuring unit that measures signals between at least two or more electrodes attached to the subject's body; a respiratory signal generator for generating a respiratory signal of the subject based on the measured signal; an electrocardiogram signal generator that generates an electrocardiogram signal of the subject based on the measured signal; an output unit that outputs the electrocardiogram signal and the respiratory signal; the signal between the at least two electrodes is an impedance signal; the respiratory signal is generated in response to each of a plurality of respiratory parameters; the respiratory signal generating unit generates the respiratory signal based on the impedance signal, the respiratory signal generator generates respiratory signals corresponding to at least two of the plurality of respiratory parameters, including a respiratory sufficiency index, minute ventilation, respiratory rate, daily respiratory volume, inspiration parameters, expiration parameters, respiratory volume, and respiratory airflow of the subject; the respiratory signal generating unit changes the order of the respiratory signals according to the magnitude of change of each respiratory parameter based on the interval and intensity of the electrocardiogram signal; The respiratory signal generating unit further generates the respiratory signal corresponding to a respiratory parameter with a large amount of change in accordance with the order of magnitude of change in each of the plurality of respiratory parameters when an electrocardiogram signal indicating an irregular heartbeat, a low heart rate, or a high heart rate is measured based on the interval and intensity of the electrocardiogram signal. Respiratory signal output device.

2. the impedance signal is indicative of impedance changes caused by muscle contraction and expansion of the subject as the subject breathes; The respiratory signal generating unit Detecting the number of times that a change value in the impedance signal is greater than a predetermined threshold value among a plurality of change values ​​in the impedance signal included in a predetermined time interval, and determining the respiratory rate of the subject based on the detected number of times; The respiratory signal output device according to claim 1 , wherein the respiratory signal includes the respiratory rate.

3. 2. The respiratory signal output device according to claim 1, wherein the respiratory signal generating unit generates a signal requesting remeasurement of the generated respiratory signal when it is determined that a measurement error issue has occurred in the subject based on the electrocardiogram signal.

4. 2. The respiratory signal output device according to claim 1, wherein the electrocardiogram signal generating unit generates a first electrocardiogram signal which is a normal electrocardiogram signal and a second electrocardiogram signal which is an abnormal electrocardiogram signal based on each respiratory parameter included in the respiratory signal.

5. 2. The respiratory signal output device according to claim 1, wherein the electrocardiogram signal generating unit generates a heart disease-related signal for the subject based on the respiratory signal when at least a portion of the electrocardiogram signal for the subject generated based on the measured signal is determined to be a suspected abnormal electrocardiogram signal.

6. The output unit 6. The respiratory signal output device according to claim 1, wherein the electrocardiogram signal and the respiratory signal are simultaneously displayed on a single display device.

7. 1. A method for outputting a respiratory signal together with an electrocardiogram signal, comprising: measuring a signal between at least two or more electrodes attached to the subject's body; generating a respiratory signal for the subject based on the measured signals; generating an electrocardiogram signal for the subject based on the measured signals; outputting the electrocardiogram signal and the respiratory signal; the signal between the at least two electrodes is an impedance signal; the respiratory signal is generated in response to each of a plurality of respiratory parameters; generating the respiration signal includes generating the respiration signal based on the impedance signal; generating the respiratory signals includes generating respiratory signals corresponding to at least two of the plurality of respiratory parameters including a respiratory adequacy index, minute ventilation, respiratory rate, daily respiratory volume, inspiratory parameters, expiratory parameters, respiratory volume, and respiratory airflow of the subject; generating the respiratory signals includes changing the order of the respiratory signals according to the magnitude of change in each respiratory parameter based on the interval and intensity of the electrocardiogram signal; the step of generating the respiratory signal further includes, when an electrocardiogram signal indicating an irregular heartbeat, a low heart rate, or a high heart rate is measured based on the interval and intensity of the electrocardiogram signal, generating the respiratory signal corresponding to the respiratory parameter with the largest change amount in accordance with the order of magnitude of change amount of each of the plurality of respiratory parameters. Respiration signal output method.

8. the impedance signal is indicative of impedance changes caused by muscle contraction and expansion of the subject as the subject breathes; The generating of the respiration signal may include detecting the number of change values ​​of the impedance signal that are greater than a predetermined threshold value among a plurality of change values ​​of the impedance signal included in a predetermined time interval, and determining the respiration rate of the subject based on the detected number of change values. The respiratory signal output method according to claim 7 , wherein the respiratory signal includes the respiratory rate.

9. The outputting step includes:

8. The respiratory signal output method according to claim 7, wherein the electrocardiogram signal and the respiratory signal are simultaneously displayed on a single display device.

10. 8. The respiratory signal output method according to claim 7, wherein the step of generating the electrocardiogram signal comprises generating a first electrocardiogram signal that is a normal electrocardiogram signal and a second electrocardiogram signal that is an abnormal electrocardiogram signal based on each respiratory parameter included in the respiratory signal.

11. A program for causing a computer to execute the method according to any one of claims 7 to 10.

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