CN111387969A - Synchronous recording technology for esophagus heart electrophysiological esophagus lead - Google Patents
Synchronous recording technology for esophagus heart electrophysiological esophagus lead Download PDFInfo
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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
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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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]
- A61B5/283—Invasive
- A61B5/285—Endotracheal, oesophageal or gastric probes
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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
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
- A61B5/339—Displays specially adapted therefor
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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
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/362—Heart stimulators
Abstract
The invention relates to a synchronous recording technology for electrophysiological esophageal leads of an esophageal heart, and relates to the technical field of medical electronic instruments. The key point of the technical scheme is that the system comprises: the electrocardio acquisition module is configured to synchronously acquire body surface electrocardiosignals and esophageal lead electrocardiosignals; the control module is connected with the electrocardio acquisition module and is configured to receive two electrocardiosignals acquired by the electrocardio acquisition module and send the two received electrocardiosignals to the computer for synchronous display of two electrocardiogram waveforms on the same screen; and an electrophysiological stimulation pulse delivery module configured to apply an electrophysiological stimulation pulse to the esophageal cells; wherein, the computer is also used for controlling the time and the stimulation voltage amplitude of the electrophysiological stimulation pulse delivery module for delivering the electrophysiological stimulation pulse. The invention can synchronously acquire body surface electrocardiosignals and esophagus lead electrocardiosignals and display the electrocardiogram waveforms corresponding to the two electrocardiosignals on the same screen, thereby being beneficial to reading and analyzing by doctors.
Description
Technical Field
The invention relates to the technical field of medical electronic instruments, in particular to an esophageal heart electrophysiological esophageal lead synchronous recording technology.
Background
At present, generally, an electrocardiograph is used for recording a body surface lead electrocardiogram in the esophageal heart electrophysiological technology, an electrophysiological recorder or a certain lead of the electrocardiograph is used for separately recording an esophageal electrocardiogram, and then a doctor analyzes the electrocardio change of a patient after cardiac pacing according to the displayed body surface electrocardiogram and the esophageal electrocardiogram.
For example, patent publication No. CN109715051A discloses a diagnostic system comprising a measurement probe system adapted to derive an electrocardiogram; a catheter for insertion into the oesophagus of a patient, wherein the catheter has a plurality of measurement probes for determining pressure values and/or for impedance measurements, and optionally includes a further measurement probe for determining a further measurement value; a recording device having a voltage source and a plurality of channels for registering and recording measurement data originating from the measurement probe, and at least one memory for storing measurement data in relation to time and means for transmitting data from the measurement probe to the recording device. When in use, stimulation pulses are applied to esophageal cells through the catheter, and an esophageal electrocardiogram is recorded and displayed by the recording equipment; during diagnosis, the esophageal electrocardiogram displayed by the recording equipment is combined with the body surface lead electrocardiogram recorded by the traditional electrocardiograph to read and analyze the electrocardiogram change of the human heart after pacing.
However, the above prior art solutions have the following drawbacks: because the esophagus electrocardiogram and the body surface electrocardiogram can not be synchronously displayed on the same screen, the esophagus electrocardiogram and the body surface electrocardiogram can not well correspond in time sequence, thereby causing great influence on the reading and analysis of doctors and being not beneficial to diagnosis.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an esophageal cardiac electrophysiological esophageal lead synchronous recording technology.
The invention aims at: the body surface and esophagus lead electrocardiogram synchronous recording system can synchronously acquire body surface electrocardiosignals and esophagus lead electrocardiosignals and display the two electrocardiosignals on the same screen, and is beneficial to reading and analyzing by doctors, thereby being more beneficial to diagnosis;
the second purpose of the invention is that: the method for synchronously recording the body surface electrocardiogram and the esophagus electrocardiogram can display the body surface electrocardiogram and the esophagus electrocardiogram on the same screen and in the same sequence, is beneficial to a doctor to compare various waveforms, and effectively optimizes the electrophysiological examination process of the heart;
the third purpose of the invention is that: the synchronous recording device is provided, so that synchronous on-screen display of two electrocardiograms can be realized, and the control of the heart electrophysiological examination process is facilitated;
the fourth purpose of the invention is: there is provided a computer readable storage medium storing a computer program capable of being loaded by a processor and executing the method for synchronously recording the body surface and esophageal leads electrocardiogram as described above, having features for facilitating waveform reading and analysis.
The above object of the present invention is achieved by the following technical solutions:
a body surface and esophageal lead electrocardiogram synchronous recording system, comprising:
the electrocardio acquisition module is configured to synchronously acquire body surface electrocardiosignals and esophageal lead electrocardiosignals;
the control module is connected with the electrocardio-acquisition module and is configured to receive two electrocardiosignals acquired by the electrocardio-acquisition module and send the two received electrocardiosignals to the computer for synchronous display of two electrocardiogram waveforms on the same screen; and the number of the first and second groups,
an electrophysiological stimulation pulse delivery module configured to apply an electrophysiological stimulation pulse to an esophageal cell;
wherein, the computer is also used for controlling the time and the stimulation voltage amplitude of the electrophysiological stimulation pulse delivery module for delivering the electrophysiological stimulation pulse.
By adopting the technical scheme, the body surface electrocardiosignals and the esophagus lead electrocardiosignals can be synchronously acquired and displayed on the same screen, so that the reading and analysis of doctors are facilitated, and the diagnosis is more facilitated.
The present invention in a preferred example may be further configured to: the electrocardio acquisition module comprises:
the limb lead electrode and the chest lead electrode are used for acquiring body surface electrocardiosignals;
the esophagus bipolar lead electrode is used for acquiring esophagus lead electrocardiosignals;
the protection unit comprises a defibrillation protection unit for preventing defibrillation voltage from damaging the circuit and an anti-static protection unit for preventing static electricity from influencing signal transmission; the anti-defibrillation protection unit is connected with the limb lead electrode, the chest lead electrode and the esophagus bipolar lead electrode, and the anti-static protection unit is connected with the anti-defibrillation protection unit;
the right leg driving unit is connected with the anti-static protection unit and the limb lead electrode and is used for reducing common-mode interference;
the shielding driving unit is connected with the anti-static protection unit, the limb lead electrode, the chest lead electrode and the esophagus bipolar lead electrode and is used for reducing the interference on a cable;
the signal amplification unit is connected with the anti-static protection unit and is used for amplifying the acquired electrocardiosignals;
and the AD conversion unit is connected with the signal amplification unit and is used for transmitting the electrocardiosignals amplified by the signal amplification unit to the control module after AD conversion.
By adopting the technical scheme, the acquired electrocardiosignals can be transmitted into the control module after being filtered and amplified, the accuracy of the electrocardio waveforms displayed on the computer can be improved, and the influence on the image reading of a doctor is further reduced.
The present invention in a preferred example may be further configured to: the electrophysiological stimulation pulse delivery module includes:
a stimulus voltage generator for outputting a stimulus voltage;
the stimulation voltage amplitude control unit is connected with the stimulation voltage generator and is used for controlling the amplitude of the output stimulation voltage according to the control signal of the computer;
the pulse control switch unit is connected with the stimulation voltage amplitude control unit and is used for controlling the sending time of the electrophysiological stimulation pulse according to the control signal of the computer;
and the esophagus stimulation electrode is connected with the pulse control switch unit and is used for applying an electrophysiological stimulation pulse to the esophagus cells.
By adopting the technical scheme, the output stimulation voltage can be automatically controlled, and the problems of low efficiency and low accuracy rate of manually adjusting the rheostat when the output voltage is changed in the prior art are solved.
The present invention in a preferred example may be further configured to: the control module includes:
the single chip microcomputer is connected with the electrocardio-acquisition module and the computer and is used for acquiring two electrocardio signals and analyzing and processing the electrocardio signals;
the first photoelectric isolation unit is connected with the singlechip and is used for sending the electrocardiosignals analyzed and processed by the singlechip to a USB data interface connected with the computer;
the second photoelectric isolation unit is connected with the singlechip and the stimulation voltage amplitude control unit and is used for responding to a control signal of the singlechip to control the amplitude of the stimulation voltage output by the stimulation voltage amplitude control unit;
and the third photoelectric isolation unit is connected with the singlechip and the pulse control switch unit and is used for responding to the control signal of the singlechip to control the distribution time of the electrophysiological stimulation pulse.
By adopting the technical scheme, the output voltage and the release time of the stimulation pulse can be directly controlled by the optical coupling isolation of the single chip microcomputer, and the response efficiency of the system is improved.
The second aim of the invention is realized by the following technical scheme:
a body surface and esophagus lead electrocardiogram synchronous recording method comprises the following steps:
the electrophysiological stimulation pulse is sent out through a heart electrophysiological stimulation pulse generator and an esophagus stimulation electrode connected with the heart electrophysiological stimulation pulse generator;
synchronously acquiring body surface electrocardiosignals and esophagus lead electrocardiosignals by using the same electrocardio acquisition equipment;
sending the collected body surface electrocardiosignals and esophagus lead electrocardiosignals to a computer for synchronous display of two electrocardiogram waveforms on the same screen;
wherein, the stimulation voltage amplitude and the delivery time of the electrophysiological stimulation pulse sent by the cardiac electrophysiological stimulation pulse generator are controlled by a computer.
Through adopting above-mentioned technical scheme, can with body surface heart electrograph and esophagus heart electrograph carry out the demonstration of with screen and preface simultaneously on the computer, do benefit to the doctor and compare all kinds of wave forms, effectively optimized the heart electrophysiology inspection flow.
The present invention in a preferred example may be further configured to: the body surface electrocardiosignal and the esophagus lead electrocardiosignal that will gather send the computer and carry out the same screen synchronous display of two kinds of heart electrograph wave forms, specifically include:
sending the collected body surface electrocardiosignals and the esophagus lead electrocardiosignals to a computer;
dividing a display area of a computer into a main display window and a draggable second view;
synchronously displaying two electrocardiogram waveforms on a main display window according to the body surface electrocardiosignals and the esophagus lead electrocardiosignals received by the computer;
the display of the electrocardiogram waveform selected for comparison with other waveforms is fixed in a second view, the electrocardiogram waveform in the second view can be set to be displayed in a single column, a double column or a four column, and the second view can also be saved as an image file.
By adopting the technical scheme, a doctor can fix a section of waveform to be displayed on the second view for comparison with other waveforms, and the doctor can compare and analyze the waveforms.
The present invention in a preferred example may be further configured to: when the computer synchronously displays the two electrocardiogram waveforms on the same screen, the method also comprises the following steps:
s101, selecting to keep or suspend storage, and selecting to keep or suspend monitoring; if the storage is selected to be kept, the process proceeds to step S201, if the storage is selected to be suspended, the process proceeds to step S301, if the monitoring is selected to be kept, the process proceeds to step S401, and if the monitoring is selected to be suspended, the process proceeds to step S501;
s201, recording waveform data, and displaying a flashing indication icon in a display area of the computer;
s301, suspending recording of waveform data, wherein the indication icon is not displayed in a flashing mode; if the storage is continuously selected to be kept, returning to the step S201, and generating a mark representing storage interruption in the recorded waveform;
s401, synchronously displaying waveforms on the same screen according to the received body surface electrocardiosignals and the esophagus lead electrocardiosignals;
s501, suspending the updating of the waveform in the display area of the computer so as to analyze, mark and measure the previous waveform conveniently; if the maintenance monitoring is continuously selected, the process returns to step S401.
By adopting the technical scheme, the doctor can select to keep or pause the storage and keep or pause the monitoring according to the actual requirement, and the doctor is flexible and convenient.
The present invention in a preferred example may be further configured to: in step S501, while the computer is in the state of keeping storage, the computer still records waveform data; when the computer is in the state of temporarily stopping storage, the computer still stops recording the waveform data.
By adopting the technical scheme, the functions of the monitoring suspension and the storage suspension are independent, and the system can still record waveform data during the monitoring suspension so as to facilitate later checking by doctors.
The third object of the invention is realized by the following technical scheme:
a synchronous recording device comprising a memory and a processor, the memory having stored thereon a computer program which can be loaded by the processor and which performs any of the methods described above.
By adopting the technical scheme, the electrocardiogram waveform display device has the characteristic of synchronously displaying the body surface electrocardiogram waveform and the esophagus lead electrocardiogram waveform on the same screen, is convenient for a clinician to analyze the time sequence and the electric pulse of various electrocardios to drive the electrocardio change after the heart paces, and improves the working efficiency.
The fourth object of the invention is realized by the following technical scheme:
a computer readable storage medium storing a computer program capable of being loaded by a processor and performing any of the methods described above.
By adopting the technical scheme, the method can store corresponding programs and has the characteristic of realizing the synchronous display of the body surface electrocardiographic waveforms and the esophageal lead electrocardiographic waveforms on the same screen on a computer.
In summary, the invention includes at least one of the following beneficial technical effects:
1. through the design of the electrocardio acquisition module, the control module, the electrophysiological stimulation pulse distribution module and the computer, the standard twelve-lead electrocardio and esophageal bipolar lead electrocardio are displayed on the same screen, which is beneficial to the reading and analysis of doctors and is more beneficial to the diagnosis;
2. the discharge physiological stimulation pulse is sent by the program control of the computer, a series of functions of the heart electrophysiological stimulation, recording, analysis, archiving, printing and the like are realized, and a clinician can conveniently analyze the time sequence of the electrocardio and the change of the electrocardio after the electric pulse drives the heart to pace.
Drawings
FIG. 1 is a block diagram of a body surface and esophageal lead electrocardiogram synchronous recording system according to an embodiment;
FIG. 2 is a flow chart of a body surface and esophageal lead electrocardiogram synchronous recording method according to the second embodiment;
FIG. 3 is a flowchart showing steps S101 to S501 according to the second embodiment;
fig. 4 is a schematic structural diagram of a synchronous recording apparatus according to a third embodiment.
In the figure, 1, a control module; 11. a single chip microcomputer; 12. a first photoelectric isolation unit; 13. a second photoelectric isolation unit; 14. a third photoelectric isolation unit; 15. a USB data interface; 2. a computer; 3. an electrophysiological stimulation pulse delivery module; 31. a stimulus voltage generator; 32. a stimulus voltage amplitude control unit; 33. a pulse control switch unit; 34. an esophageal stimulation electrode; 41. a limb lead electrode; 42. chest lead electrodes; 43. an esophageal bipolar lead electrode; 44. a chatter preventing and protecting unit; 45. an anti-static protection unit; 46. a right leg driving unit; 47. a shield driving unit; 48. a signal amplification unit; 49. an AD conversion unit; 51. a Wilson network; 52. a band-pass filtering unit; 53. a time constant unit; 54. a low-pass filtering unit; 6. a cardiac electrophysiology stimulator; 7. a printer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example one
Referring to fig. 1, the system for synchronously recording body surface and esophageal lead electrocardiograms disclosed by the invention comprises an electrocardio acquisition module, a control module 1 and an electrophysiological stimulation pulse distribution module 3. The electrocardio acquisition module is configured to synchronously acquire body surface electrocardiosignals and esophagus lead electrocardiosignals; the control module 1 is connected with the electrocardio-acquisition module and is used for receiving two electrocardiosignals acquired by the electrocardio-acquisition module and sending the two received electrocardiosignals to the computer 2 for synchronously displaying two electrocardiogram waveforms on the same screen; the electrophysiological stimulation pulse delivery module 3 is used to apply electrophysiological stimulation pulses to the esophageal cells. Wherein, the time and the stimulation voltage amplitude of the electrophysiological stimulation pulse delivery module 3 for delivering the electrophysiological stimulation pulse are controlled by the computer 2.
Referring to fig. 1, the electrocardiograph acquisition module comprises a limb lead electrode 41, a chest lead electrode 42, an esophagus bipolar lead electrode 43, a protection unit, a right leg driving unit 46, a shielding driving unit 47, a signal amplification unit 48 and an AD conversion unit 49. The limb lead electrode 41 and the chest lead electrode 42 are used for acquiring body surface electrocardiosignals. The esophagus bipolar lead electrode 43 is used for acquiring esophagus lead electrocardiosignals. The protection unit comprises a defibrillation protection unit 44 for preventing the defibrillation voltage from damaging the circuit and an anti-static protection unit 45 for preventing static electricity from influencing signal transmission; the anti-fibrillation protection unit 44 is connected with the limb lead electrode 41, the chest lead electrode 42 and the esophagus bipolar lead electrode 43, and the anti-static protection unit 45 is connected with the anti-fibrillation protection unit 44.
Referring to fig. 1, the right leg driving unit 46 is connected to both the electrostatic prevention unit 45 and the limb lead electrode 41 for reducing common mode interference caused when the patient's body is subjected to electromagnetic interference as an antenna. The shielding driving unit 47 is connected with the anti-static protection unit 45, the limb lead electrode 41, the chest lead electrode 42 and the esophagus bipolar lead electrode 43, and is used for reducing the interference on the cable; the anti-interference principle is that when a certain potential is applied to the shielding layer of the cable for transmitting weak signals, the interference caused by the capacitive coupling between the shielding layer and the core wire can be greatly reduced, and the circuit of the shielding driving unit 47 is the prior art and is not described herein again.
Referring to fig. 1, the signal amplification unit 48 is connected to the anti-static protection unit 45, and is configured to amplify the acquired electrocardiographic signal. A Wilson network 51, a band-pass filtering unit 52 and a time constant unit 53 are sequentially connected between the anti-static protection unit 45 and the signal amplification unit 48, and electrocardiosignals output by the anti-static protection unit 45 are selected by matching the Wilson network 51 with leads, so that the attenuation of a voltage-sharing resistor to the electrocardiosignals can be reduced, and the input impedance of an amplifier is not influenced; the electrocardiographic signal is then filtered by the band-pass filter unit 52 and the time constant unit 53, and then enters the signal amplification unit 48. The AD conversion unit 49 is connected to the output end of the signal amplification unit 48, and is configured to send the electrocardiographic signal amplified by the signal amplification unit 48 to the control module 1 after being AD converted.
Referring to fig. 1, the electrophysiological stimulation pulse delivery module 3 includes a stimulation voltage generator 31, a stimulation voltage amplitude control unit 32, a pulse control switching unit 33, and an esophageal stimulation electrode 34. The stimulus voltage generator 31 is used for outputting a stimulus voltage; the stimulation voltage amplitude control unit 32 is connected with the stimulation voltage generator 31 and is used for controlling the amplitude of the output stimulation voltage according to the control signal of the computer 2; the pulse control switch unit 33 is connected with the stimulation voltage amplitude control unit 32 and is used for controlling the delivery time of the electrophysiological stimulation pulse according to the control signal of the computer 2; the esophageal stimulation electrode 34 is connected to the pulse control switch unit 33 for applying electrophysiological stimulation pulses to esophageal cells.
Referring to fig. 1, the control module 1 includes a single chip microcomputer 11, a first photoelectric isolation unit 12, a second photoelectric isolation unit 13, and a third photoelectric isolation unit 14, where the first photoelectric isolation unit 12, the second photoelectric isolation unit 13, and the third photoelectric isolation unit 14 are all optical coupling switches. The single chip microcomputer 11 is connected with the electrocardio-acquisition module and the computer 2 and is used for acquiring two electrocardio-signals and analyzing and processing the electrocardio-signals. The first photoelectric isolation unit 12 is connected with the single chip microcomputer 11 and used for sending electrocardiosignals analyzed and processed by the single chip microcomputer 11 to a USB data interface 15 connected with the computer 2. The second photoelectric isolation unit 13 is connected to both the single chip microcomputer 11 and the stimulation voltage amplitude control unit 32, and is configured to control the amplitude of the stimulation voltage output by the stimulation voltage amplitude control unit 32 in response to a control signal of the single chip microcomputer 11; specifically, when the single chip microcomputer 11 needs to control the amplitude of the stimulus voltage, a square wave with an adjustable duty ratio is output, and after the square wave is subjected to optical coupling isolation and filtering shaping, the control of the voltage amplitude is realized by controlling the stimulus voltage amplitude control unit 32 to output the amplitude of the high voltage. The third photoelectric isolation unit 14 is connected with the singlechip 11 and the pulse control switch unit 33, and is used for responding to a control signal of the singlechip 11 to control the distribution time of the electrophysiological stimulation pulse; specifically, when the electrical pulse stimulation needs to be delivered, the single chip microcomputer 11 controls the third photoelectric isolation unit 14 to be opened through the internal timer.
The implementation principle of the above embodiment is as follows:
after passing through the anti-fibrillation protection unit 44 and the anti-static protection unit 45, the body surface and esophageal lead electrocardiosignals enter the lead conversion and signal amplification unit 48, and the extracted common-mode voltage generates right leg output through the right leg driving unit 46, so that the common-mode interference is reduced; the amplified electrocardiosignals are sent to the singlechip 11 after passing through the AD conversion unit 49, and then sent to the USB data interface 15 through the first photoelectric isolation unit 12, so that the electrocardiosignals are sent to the computer 2 for analysis and the on-screen synchronous display of the body surface and esophagus lead electrocardiosignals is realized.
The pulse control signal sent by the computer 2 is transmitted to the singlechip 11 through the USB data interface 15, the singlechip 11 receives the signal and then outputs a square wave with adjustable duty ratio through the second photoelectric isolation unit 13 in an isolation way, and the square wave is filtered and shaped and then controls the high voltage amplitude output by the stimulation voltage amplitude control unit 32 to control the output voltage amplitude of the electrophysiological stimulation pulse emitting module 3; meanwhile, the single chip microcomputer 11 sends a pulse width control signal and controls the pulse control switch unit 33 to connect the esophageal stimulation electrode 34 with the stimulation voltage amplitude control unit 32 after being isolated by the third photoelectric isolation unit 14, so that stimulation pulses are generated by the esophageal stimulation electrode 34.
Example two
Referring to fig. 2, the method for synchronously recording the body surface and esophageal lead electrocardiogram disclosed by the invention comprises the following steps:
s100, delivering an electrophysiological stimulation pulse through a cardiac electrophysiological stimulation pulse generator and an esophageal stimulation electrode connected with the cardiac electrophysiological stimulation pulse generator; the stimulation voltage amplitude and the delivery time of the electrophysiological stimulation pulse sent by the cardiac electrophysiological stimulation pulse generator are controlled by a computer;
s200, synchronously acquiring body surface electrocardiosignals and esophagus lead electrocardiosignals by using the same electrocardio acquisition equipment;
s300, sending the collected body surface electrocardiosignals and the esophagus lead electrocardiosignals to a computer for synchronous display of two electrocardiogram waveforms on the same screen.
Specifically, step S300 specifically includes the following sub-steps:
s31, sending the collected body surface electrocardiosignals and the collected esophagus lead electrocardiosignals to a computer;
s32, dividing the display area of the computer into a main display window and a second view which can be dragged;
s33, synchronously displaying two electrocardiogram waveforms on the main display window according to the body surface electrocardiosignals and the esophagus lead electrocardiosignals received by the computer;
and S34, selecting a section of electrocardiogram waveform display for comparison with other waveforms, and fixing the section of electrocardiogram waveform display in a second view, wherein the electrocardiogram waveform in the second view can be set to be a single-column display, a double-column display or a four-column display according to requirements, and the second view can also be saved as an image file, and the format of the image is BMP, JPG, PNG or GIF.
Referring to fig. 3, when the computer displays two types of electrocardiogram waveforms simultaneously on the same screen in step S300, the method further includes the following steps, that is, the steps of:
s101, selecting to keep or suspend storage, and selecting to keep or suspend monitoring; if the storage is selected to be kept, the process proceeds to step S201, if the storage is selected to be suspended, the process proceeds to step S301, if the monitoring is selected to be kept, the process proceeds to step S401, and if the monitoring is selected to be suspended, the process proceeds to step S501;
s201, recording waveform data, and displaying a flashing indication icon on a main display window of the computer;
s301, suspending recording of waveform data, wherein the indication icon is not displayed in a flashing mode; if the storage is continuously selected to be kept, returning to the step S201, and generating a mark representing storage interruption in the recorded waveform;
s401, synchronously displaying waveforms on the same screen in a display area of a computer according to the received body surface electrocardiosignals and the esophagus lead electrocardiosignals;
s501, suspending the updating of the waveform in the display area of the computer so as to analyze, mark and measure the previous waveform conveniently; if the maintenance monitoring is continuously selected, returning to the step S401; in step S501, when the computer is in the storage-maintaining state, the computer still records waveform data; when the computer is in the state of temporarily stopping storage, the computer still stops recording the waveform data.
EXAMPLE III
A synchronous recording device, refer to fig. 4, it includes connecting with limb lead electrode, chest lead electrode, esophagus bipolar lead electrode and heart electrophysiological stimulation appearance 6 of the esophagus stimulating electrode, the heart electrophysiological stimulation appearance 6 is used for gathering body surface electrocardiosignal and esophagus lead electrocardiosignal synchronously and sending two kinds of electrocardiosignal to the computer 2 through the USB data interface and carrying on the synchronous display of the same screen, the computer 2 connects with the printer 7 that can print the electrocardiographic waveform displayed. The computer 2 comprises a memory and a processor, the memory is stored with a computer program which can be loaded by the processor and can execute the body surface and esophagus lead electrocardiogram synchronous recording method in the second embodiment.
Example four
A computer-readable storage medium storing a computer program capable of being loaded by a processor and executing the body surface and esophageal lead electrocardiogram synchronous recording method according to the second embodiment, the computer-readable storage medium comprising: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is to be understood that the above-described embodiments are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Claims (10)
1. A body surface and esophagus lead electrocardiogram synchronous recording system is characterized by comprising:
the electrocardio acquisition module is configured to synchronously acquire body surface electrocardiosignals and esophageal lead electrocardiosignals;
the control module (1) is connected with the electrocardio acquisition module and is configured to receive two electrocardiosignals acquired by the electrocardio acquisition module and send the two received electrocardiosignals to the computer (2) for synchronous display of two electrocardiogram waveforms on the same screen; and the number of the first and second groups,
an electrophysiological stimulation pulse delivery module (3) configured for applying electrophysiological stimulation pulses to the oesophageal cells;
wherein, the computer (2) is also used for controlling the time and the stimulation voltage amplitude of the electrophysiological stimulation pulse delivery module (3) for delivering the electrophysiological stimulation pulse.
2. The system of claim 1, wherein the cardiac electrical acquisition module comprises:
a limb lead electrode (41) and a chest lead electrode (42) for acquiring body surface electrocardiosignals;
an esophageal bipolar lead electrode (43) for acquiring esophageal lead electrocardiosignals;
a protection unit including a defibrillation protection unit (44) for preventing the defibrillation voltage from damaging the circuit and an electrostatic prevention protection unit (45) for preventing electrostatic influence on signal transmission; wherein the anti-defibrillation protection unit (44) is connected with the limb lead electrode (41), the chest lead electrode (42) and the esophagus bipolar lead electrode (43), and the anti-static protection unit (45) is connected with the anti-defibrillation protection unit (44);
a right leg driving unit (46) connected with the anti-static protection unit (45) and the limb lead electrode (41) for reducing common mode interference;
the shielding driving unit (47) is connected with the anti-static protection unit (45), the limb lead electrode (41), the chest lead electrode (42) and the esophagus bipolar lead electrode (43) and is used for reducing interference on a cable;
the signal amplification unit (48) is connected with the anti-static protection unit (45) and is used for amplifying the acquired electrocardiosignals;
and the AD conversion unit (49) is connected with the signal amplification unit (48) and is used for sending the electrocardiosignals amplified by the signal amplification unit (48) to the control module (1) after AD conversion.
3. The system according to claim 1, wherein the electrophysiological stimulation pulse delivery module (3) comprises:
a stimulus voltage generator (31) for outputting a stimulus voltage;
a stimulation voltage amplitude control unit (32) connected with the stimulation voltage generator (31) and used for controlling the amplitude of the output stimulation voltage according to the control signal of the computer (2);
a pulse control switch unit (33) connected with the stimulation voltage amplitude control unit (32) and used for controlling the delivery time of the electrophysiological stimulation pulse according to the control signal of the computer (2);
an esophageal stimulation electrode (34) connected to the pulse control switch unit (33) for applying electrophysiological stimulation pulses to esophageal cells.
4. The system according to claim 3, characterized in that the control module (1) comprises:
the single chip microcomputer (11) is connected with the electrocardio-acquisition module and the computer (2) and is used for acquiring two electrocardio signals and analyzing and processing the electrocardio signals;
the first photoelectric isolation unit (12) is connected with the singlechip (11) and is used for sending the electrocardiosignals analyzed and processed by the singlechip (11) to a USB data interface (15) connected with the computer (2);
the second photoelectric isolation unit (13) is connected with the singlechip (11) and the stimulation voltage amplitude control unit (32) and is used for responding to a control signal of the singlechip (11) and controlling the amplitude of the stimulation voltage output by the stimulation voltage amplitude control unit (32);
and the third photoelectric isolation unit (14) is connected with the singlechip (11) and the pulse control switch unit (33) and is used for responding to a control signal of the singlechip (11) to control the distribution time of the electrophysiological stimulation pulse.
5. A body surface and esophagus lead electrocardiogram synchronous recording method is characterized by comprising the following steps:
the electrophysiological stimulation pulse is sent out through a heart electrophysiological stimulation pulse generator and an esophagus stimulation electrode connected with the heart electrophysiological stimulation pulse generator;
synchronously acquiring body surface electrocardiosignals and esophagus lead electrocardiosignals by using the same electrocardio acquisition equipment;
sending the collected body surface electrocardiosignals and esophagus lead electrocardiosignals to a computer for synchronous display of two electrocardiogram waveforms on the same screen;
wherein, the stimulation voltage amplitude and the delivery time of the electrophysiological stimulation pulse sent by the cardiac electrophysiological stimulation pulse generator are controlled by a computer.
6. The method according to claim 5, wherein the step of sending the collected body surface electrocardiosignals and the collected esophageal lead electrocardiosignals to a computer for synchronous display of two electrocardiogram waveforms on the same screen comprises the following steps:
sending the collected body surface electrocardiosignals and the esophagus lead electrocardiosignals to a computer;
dividing a display area of a computer into a main display window and a draggable second view;
synchronously displaying two electrocardiogram waveforms on a main display window according to the body surface electrocardiosignals and the esophagus lead electrocardiosignals received by the computer;
the display of the electrocardiogram waveform selected for comparison with other waveforms is fixed in a second view, the electrocardiogram waveform in the second view can be set to be displayed in a single column, a double column or a four column, and the second view can also be saved as an image file.
7. The method of claim 5, wherein the computer synchronously displays two ECG waveforms on the same screen, further comprising the steps of:
s101, selecting to keep or suspend storage, and selecting to keep or suspend monitoring; if the storage is selected to be kept, the process proceeds to step S201, if the storage is selected to be suspended, the process proceeds to step S301, if the monitoring is selected to be kept, the process proceeds to step S401, and if the monitoring is selected to be suspended, the process proceeds to step S501;
s201, recording waveform data, and displaying a flashing indication icon in a display area of the computer;
s301, suspending recording of waveform data, wherein the indication icon is not displayed in a flashing mode; if the storage is continuously selected to be kept, returning to the step S201, and generating a mark representing storage interruption in the recorded waveform;
s401, synchronously displaying waveforms on the same screen according to the received body surface electrocardiosignals and the esophagus lead electrocardiosignals;
s501, suspending the updating of the waveform in the display area of the computer so as to analyze, mark and measure the previous waveform conveniently; if the maintenance monitoring is continuously selected, the process returns to step S401.
8. The method according to claim 7, wherein in step S501, while the computer is in a state of remaining stored, the computer still records waveform data; when the computer is in the state of temporarily stopping storage, the computer still stops recording the waveform data.
9. A synchronous recording device comprising a memory and a processor, the memory having stored thereon a computer program which can be loaded by the processor and which can carry out the method according to any one of claims 5 to 8.
10. A computer-readable storage medium, in which a computer program is stored which can be loaded by a processor and which executes the method of any one of claims 5 to 8.
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