Contents
Contents
1. 12 leads simultaneously ECG waveforms can be shown in one 32 page also can be shown in two pages or four pages this button can control the displaying page of 12 leads simultaneously ECG waveforms when it s under two page displaying each page will show 6 leads ECG waveforms when it s under four page displaying each page will show 3 leads Page changing When 12 leads simultaneously ECG waveforms displaying in 2 pages or 4 four pages when it s necessary to change to different pages for checking the different leads of ECG waveforms use this button Paper speed This button used for controlling paper speed of ECG waveform displaying afforded paper speed are 12 5mm s 25mm s_ and 50mm s Gain This button used for controlling gain of ECG waveform 33 displaying afforded gain are 5mm mv 10mm mv 20mm mv Calculation This button used for start and stop calculation function detailed operation method are as follows first press calculation button to make it under Press down status when calculation function start then move mouse to the starting point of calculating waveforms then press left button of mouse then it will appear rectangle frame when moving mouse move mouse to the end point of calculating waveforms and press left button of it system will pop up a dialog box which showing time width or height of amplitude information of calculating waveforms When finish calculating function press calculation button to ca2. click on the Browse button to choose the installation path of 11 software default installation path is suggested click next after confirming the installation path 4 The dialog box Installation type will appear at this time choose Typical installation option and click next to proceed 5 Dialog box Program folder will appear at this time and click next to proceed 6 Dialog box Begin to copy files will be appear at this time click next to begin to copy files 7 Copying over the files brings out the following dialog box click OK button to finish the installation of ECG collection system software Caution Do NOT run the ECG collection system software before the driver of USB software dog is installed 5 1 2 Installation of the encryption lock drive 1 The following application based on dialog box will be pop up after running start programs ECGExplorer 500A install 12 Macro dog driver 2 Click Install Driver button then the drive of USB software dog will be started to install at the end of the installation the program interface shows the drive state information box indicates the software is installed successfully 3 Click finish button to quit driver installation program 4 Connect the USB software dog and the USB interface of host then system will bring out the dialog box find new hardware as below Choose Install the software automaticall
3. and QT dispersion O Standard simultaneously 12 lead ECG analysis system has automatic analysis function It provides you accurate ECG diagnosis result O Each lead ECG waveform s automatic fixed start position and end position of P wave QRS wave and T wave It is no need manually fix the position by doctor O Convenient and efficient patient s information management function O Various of report printing formats A Attention If the manual is not accord with the workstation please refer to the object 2 List of Components The standard configuration of this workstation Oo USB Cable 1PC o Encryption Lock 1PC m Software CD 1PC o User Manual 1PC Please check above items when you open the packing if there are any damage or missed please contact our company Remark The computer monitor and printer could be provided by our company and the hardware should meet the requirement Please refer to Chapter Four for deal requirement of the hardware 3 Safety Information Please consider the safety before using this workstation 3 1 Use the warnings of the The safety type of this workstation is class BF type equipment The unit is designed for operation by medical professional ECG machine is to work in an environment free from interference caused by high voltage cable X ray machine Ultrasound scanner and Electrotherapeutic equipments While being used together with other equipments attention shall be paid to good
4. the ECG adopter system analysis software will save the information to 16 the registry It will be useful for each report printing A Caution please make sure the setting of the computer meet the requirements of the software before installation otherwise it will cause software can t run or display normally 5 3 2 Digitizing ECG work station startup operation O Start the mainframe and the displayer enter into Windows system Ol Make sure the Flat interface of USB cable is connected with Oo computer the quadrate is connected with USB ECG adopter O Make sure the USB ECG adopter is connected well with computer start Control Panel through Start Setup Control Panel and open Device Manager dialog box in Control Panel if connected well the USB with file name ECGExplorer500A ECG adopter will be found in USB HUB Section 17 6 Operation with the digital ECG work station software 6 1 The management of Patients 6 1 1 The main interface O From the Start menu enter into the main interface the specific operation is Start program ECGExplorer 500A ECGExplorer500A or started from the desktop double click the left mouse button on the ECGExplorer 500A to fe we ie el Above picture is the software main interface for ECG collection 18 system It makes up by three parts Patient records current patient s ECG records and shortcut menu bar The function of each p
5. the time difference of human body successive cardiac cycle it can not only indirectly quantitative evaluation of 48 cardiac sympathetic and vagal tension and balance The clinical indicates that the patient s heart rate variability has a decreasing trend in variety of cardiovascular diseases ECG acquisition system system provides five minutes of heart rate variability analysis and automatic analysis and draw indicators related with HRV specific indicators definition please check the related books no explanation here 6 5 1 Heart rate variability of New patient See details of the new patient ECG 6 1 3 It should be noted that heart rate variability ECG recording time is fixed at 300 seconds so after you beginning to record ECG you can not manually stop the ECG recording ECG acquisition system will automatically stop ECG _ recording when it reaches 300 seconds lf customer manually stops ECG recording when ECG recording not yet reached 300 seconds ECG acquisition system will not be able 49 to analysis HRV 6 5 2 unction Time domain Click the button will display heart rate variability time domain analysis results including RR interval histogram and the adjacent half of the RR interval difference histogram example shown below This option provides patient electrocardiogram information storage capabilities pe ioe ae Fe Frequency domain Click this button will display heart rate variability frequency domain anal
6. Contents Preface iano a a DNASE A as OUR th eA AS 1 1 Function and Features eie a eri a i n 2 We WRU CH ON EA E A EE TE E A ue chou tee oa ae 2 F2 FeatUrE S poseeris doses erie AEE EE T E EEEE R s 2 2 List of Components essan n E E E RE ERER 4 3 Safety Information cassini en fase aide A RRR ANS 5 3 1 Use the warnings of the ssesssseesesrsssssresreresereersrsrsrsrerererersrsereseee 5 3 2 CautlONS keseser e e A E a Beet ied eee e 6 4 Technology parameter and conditions ssesseseeeeererersrerrersestrrerersrse 9 4 I Specifications mona e naa nA RE hes EATE RTS 9 4 2 System Conmfiguration eceseesesssescsceeeeeeeneseesereceneterensensenenere 10 4 3 Operation and storage conditions 0 0 ee esses eeceeeeeeneeeeeaeeaeeeeeees 10 5 Digitizing ECG work station installation 00 00 eee eee eeeeeeeeeeeees 11 5 1 System Software installation oo cece eseeeeeeeseeeceeeeeetaeeneeeees 11 5 2 Hardware Installation cccccccssscceesscceesseceesseeceessecessseeeeesseeeeseee 15 5 3 Starting up the Digital ECG work station analysis software 15 6 Operation with the digital ECG work station software eee 18 6 1 The management of Patients cee eeeeseeeeeeeeceeceeeeesesaeeseeees 18 6 2 12 leads standard simultaneously ECG 00 cece eeeeeeeeneeeeeeeeeeeeee 30 6 3 User defined 12 leads simoutaneously ECG 0 eee eeeeseeeeeeeee 39 6 4 Vector ECG and Time vector ECG ee eceesseeseeeeeeeeeseeseeseesee
7. art as following Patient records It shows the patient records It is given in the form of a list box each row represents a patient information If you want to log a particular patient left click the bar where the line of this patient on Current patients ECG records will display the patient s name age and sex which means login in successfully Current patient s ECG records It displays the current patients ECG records There are some different examination items Click one item it will display all of the patient s ECG examination records in this check items Double click a patient ECG records it will enter into the analysis process for the corresponding check items Shortcut menu bar 19 There are two buttons ECG analysis and Case manager Case Manager It can search various data from the databases Such as new patient query current day current week current month and load data from PDA PDA is optional ECG analysis It contains various ECG examination items When the patient login success click on a special item it will display the corresponding ECG record 6 1 2 Case manager Display the current day s patient records It can use the menu bar patient records to display all of the current day s patient records Display the current week s patient records It can use the menu bar patient records to display all of the current week s patient records Display the current month s
8. connections so as to avoid incorrect diagnosis If necessary you shall consult a professional for advice All circuitry directly connected to the patient shall be checked in particular The operator shall not leave the exam room They shall keep observation on the patient and if necessary turn off the 5 power or disconnect the electrodes to assure patient safety Operation and maintenance of this unit shall be in the charge of experienced professional Please use the machine under the instruction of doctors The reliability of operating the equipment depends on whether match this user manual and maintenance guidance The measurement and auto interpretation data of this equipment are just the reference of the doctors not the final analysis A Cautions are identified by the CAUTION symbol shown above 3 2 Cautions This ECG workstation is precision medical equipment Please don t drop hit or shoot it And please don t pull twist or 6 rub the leads AS To make sure the safety of the patients and doctors this equipment should be connected with ground cable or it is dangerous AS In the testing please don t make the leads and ECG converter wet or the analysis will be not correct or the equipment will be broken AS This equipment should be used and storage in a dry condition If use it in the condition which don t follow this user manual its function can t match the requirement AS This equipment i
9. der select Yes it will enter into the Settings for ECG record frame as following There are some ECG check item selection After setting press OK it will enter into ECG records program 23 Sottings for ECG record ty ECO Check hem Seleenen 9 Sasin iesi ECO Curtom 1Zewls ECG 3 g f fr x Cancel ECG records Different exam items have different ECG recording process If select Standard 12 leads ECG then the corresponding ECG logger software interface as following 24 The main function for the buttons from left to right is Monitor It is used to preview ECG Record It is used to formally start the ECG records Stop It is used to stop the heart signal recording speed It is used to set the ECG paper speed 50 mm s 25 mm sand12 5mm s gain It is used to set the gain of the ECG 5 mm mV 25 10mm mV and 20mm mV filter It is used to set the ECG amplifier frequency response all pass OHz 250Hz 50Hz notch low pass OHz 45Hz low pass OHz 40Hz OHZ 35Hz low pass and low pass 0Hz 30Hz analysis It is a starting program when finish the ECG records Cancel It is used to give up this ECG signal recording then enter into the main interface of ECGEXPLORERSOOA software Normal ECG recording process first click on the monitoring button to start the preview ECG signal waveform is yellow then adjust the paper speed gain and filter when t
10. ds ECG acquisition system will not be able to analysis VLP 53 6 6 2 Main function Select the heart beat Click this button will display the heart beat editing interface as shown below To get a correct VLP analysis we firstly need to choose the heart beat overlay remove PVCs atrial premature and abnormal heart beat and mixed with the noise of the normal heart beat analysis software will automatically filter At the same time users can manually remove all kinds of abnormal heart beat in the choose heart beat mode the specific methods of operation is to click the instantaneous heart beat RR interval when the RR interval turn into a gray that mean do not choose this heart beat if you want to select this heart beat can re click on the RR interval 54 Time domain Click this button will display the time domain ventricular late potentials analysis the yellow vertical line indicates the end of the QRS complex and its position is adjustable yellow dash indicates 40uV position the right side of the screen is for the late potential analysis 55 Frequency domain Click this button will display the frequency domain ventricular late potentials analysis the sample shown below 56 Edit Click this button to pop up doctor recommended dialog box you can fill out the doctor s advice in this dialog box Print Click this button the Print dialog box will pop up you can print a report of ventricular late pot
11. eees 43 6 5 Heart rate variability eee eeeeeeereeseeseeseeecesseeaeeseeaeeeeneees 48 6 6 Ventricular Late Potentials 0 eee eseeeeeeeeeeseeseeseeeeeeeee 53 7 Maintenance and Clean ee ecescesceecseeeeeseeeesceseeeceesseeseeseeaeeeseeees 58 Dede Maite mance ois aves cscecsicae Ea E A E E ERE 58 7 2 Electrode cleaning and disinfection methods eceeeeseeseeeeee 58 Il Preface Thanks for choosing the Digital ECG machine workstation form our company This ECG machine workstation is based on Windows operation system will bring you into a new operation feeling It makes doctor s work easily and more fast accurate diagnosis This manual will introduce the function and operation of this workstation For safe and proper operation of the unit Please study this manual before operation the unit 1 Function and Features 1 1 Function Digital ECG machine Workstation is a twelve channel digital ECG instrument featuring simultaneous 12 lead signal acquisition The acquainted ECG waveform is applicable to clinical diagnosis and study of patient s heart 1 2 Features The Workstation is applicable to clinical diagnosis of patient s heart disease the Features are O Highly mature automatic analysis and diagnosis algorithm of original ECG signal O Rich ECG examination items standard simultaneously 12 lead ECG user defined 12 leads simultaneously ECG vector ECG Time VCG ventricular late potential heart rate variability
12. ent appears the starting point of it is the origin of vector loop surface the end point is mouse on move the mouse the end point of line segment will follow the mouse move the mouse to the location you want to measure and click the left mouse button again then system will bring out the dialogue box displays the measured he angle and amplitude of vector Play Pause Stop The three buttons are used to play back the vector loop operation in the form of animation 45 VCG view VCG is used to switch the view from three sides in one to the single side the right side and horizontal plane The following figure shows the horizontal plane of vector loop diagram Pgain QRS gain T gain Used to adjust the amplitude gain of p loop QRS loop and T loop can be set 5 mm mV 10mm mV 20mm mV 40mm mV 100mm mvV FU 200mm mvV 46 eT VTOOOR a 2 4 7ang Edit Click on the button will bring out doctor recommend dialog box you can fill in doctor s advice in this box Print Click on the button will bring out print dialog box you can print vector report through this box TVGG analysis Click on the button you can enter the time vector ECG 47 analysis program the following picture shows the time vector ECG analysis program software interface amp d i Jag Exit Use this button to exit current vector ECG analysis program to enter the ECG acquisition system main interface 6 5 Heart rate variability HRV refers to
13. entials through this dialog box Exit 57 Use this button to exit the current VLP analysis procedures and enter the main interface of ECG acquisition system 7 Maintenance and Clean 7 1 Maintenance e This instrument is a precision instrument must operate carefully carefully maintained e Before each measurement the operator should check the lead wire is the case with physical impairment if there is impairment should be promptly checked the reliability of lead line After a day off must be prepared to dust protection e To pay attention to moisture when used to prevent collisions e time required to disconnect the computer from AC power when not in connection while the master switch to power off the instrument 7 2 Electrode cleaning and disinfection methods 58 To clean after use with warm water below 30 C or neutral detergent e Do not use alcohol or detergents for disinfection e Avoid cooking disinfection NO 80201 15 V1 0 59
14. he ECG signal is fine Example the baseline lead ECG waveform smooth all kinds of interference is small click record button to start recording ECG signal waveform color changes to green and other records to a sufficient time Note ECG examination project the standard 12 lead ECG custom 12 lead ECG and vector ECG recording time not less than 10 seconds otherwise there is no analysis and 26 heart rate variability and ventricular late potentials recording time is fixed at 300 seconds recording stops automatically after completion users need to stop stop key ECG recording press stop key to stop the ECG recording then press the analysis key to start the recording of ECG analysis program the program will be automatically given in the analysis of various analysis results the next picture shows the analysis by the key to start the standard 12 lead ECG analysis program of the software interface G bd VEO 7aw g 27 6 1 4 Old patients ECG examination Firstly please make sure the patient record exists in the Patient records if not please use button Query to find the patient information in the Patient records Left click Patient records medical records of patients where the line of this column then the bar Current patient s ECG machine will display the patient s name age and sex which indicating login in successfully Click the left mouse button shortcut menu bar ECG analys
15. he exact calculation of ECG parameters For example PR QRS time width QRS totally 400 items at the same time it also can identify all kinds of abnormal heart rate and cardiac rhythm give exact automatic analysis result 30 The ECG automatic analysis result contains arrhythmia like sinus rhythm SAs supraentricular arrhythmias ventricular rhythm auricular fibrillation VPBs ventricular premature beats Ventricular premature beats pre excitation syndrome conduction block miocardial infarction atrioventricular hypertrophy ST amp T abnormal cardiac electric axis abnormal etc Diagnostic items reach to 200 items Besides digital ECG working station built in different automatic diagnostic calculation according to patient with different gender and different ages What s more digital ECG working station will no need for doctors to locate the start point and end point of P waveforms QRS waveforms and T waveforms of each lead waveforms all the locations will be located by the ECG collecting system 6 2 1 12 leads standard simultaneously ECG examination for new patient Please check the content 6 1 3 for how to do the ECG examination 31 for new patient 6 2 2 Main functions G b d4 UE O7av g h 4 j i The former picture is 12 lead standard simultaneously ECG analysis software image ECG characters and ECG diagnosis are given by the system the definition of each button of tool bar are as follows Main page
16. is button then this button will display a variety of inspection items under the following diagram For example Susan click a check item will enter the patient s ECG record settings dialog box The next operation is same with the ECG analysis for the new patient 28 mePw Pr wes Review the ECG records First left click the line of Susan in Patient records then the bar Current patient s ECG records will display the names of patients Susan age and gender indicating Susan logins in successfully There are some menus in the frame of Current patients ECG records They means the different examination items for patient Double click the examination items for patients then it can review the different records 29 Delete the ECG records If want to remove some patients records for examples Susan s information left click the line of the ECG record of Susan then select Del it will ask you to confirm whether delete the record select Yes then the record of Susan will be deleted Or click the right button of mouse then select del to delete all information of Susan 6 2 12 leads standard simultaneously ECG 12 leads standard simultaneously ECG is the main function item of digital ECG working station because we realize that 12 leads standard simultaneously ECG automatic analysis and diagnosis function is the basic and widely used function Digital ECG working station can automatic finishing t
17. lso cancel the diagnostic items of ECG diagnosis Meanwhile also can add the 36 ECG analysis result which on the left to the ECG analysis Which on the right Please note that in the ECG analysis result index only items page appearance icon on the left can add to the right but catalogue item book appearance icon on the left can not add to the right Printing This button used to print ECG report When press this button it will appear a dialog box 12 leads standard simultaneously ECG 37 report format have five types use the magnifier button on the right to preview the printing report check box on the left used to choose the printing mode which operator need press print buttonfor printing report F Horizontal 6 leads x 2 row F average ecg 1 lead average ecg parameter Horizontal 12 leads x 1 row lead Vertical 12 leads x 1 row 7 long lead print v screen prim QTd Analysis This button used to analyze discrete scale of the ECG 38 examination right now The following picture is QTd analysis software image z d Feed Exist This button used to exist the 12 lead standard simoutaneously ECG analysis come into the ECG collection system main image 6 3 User defined 12 leads simoutaneously ECG According to the back wall myocardial infarction or right cardiac 39 ventricle myocardial infarction add V7 V8 V9 V3R V6R leads ECG checking come back to normal According t
18. ncel the Press down status View This button used for changing the original waveforms of ECG waveform displaying mode into leading heart rate or on the contrary leading heart rate displaying picture are as follows The 34 vertical line part of each lead main leading heart rate waveforms means start point and end point of each waveforms component if there has need to adjust the start point and end point move mouse to the corresponding vertical line the mouse will turn into a hand appearance then press left button of it left and right moving to adjust the location when it finish press left button of mouse Datasheet This button used for changing the displaying information on the right of screen into the detailed parameters of leading heart rate of each lead the detailed image are as follows If need to display the detailed parameters of one lead of leading heart rate operator can press the label page of lower right corner to make it or can use left button of the mouse to press this heart rate of lead to make it 35 a a 4 HB O Zavd Edition This button used to start Amending diagnostic result dialog box in the box operator can edit doctor suggestions besides operator can amend diagnostic result of ECG The following picture shows the dialog box when press this button at this time operator can edit doctor suggestions in the suggestion frame if operator not satisfy with the ECG diagnostic result you can a
19. o this need we afford user defined 12 leads simoutaneously ECG function by using this function doctor can choose the location of C1 to C6 electrode and make definition of lead name to do the ECG checking at the same time ECG collection system can also finish the parameters exact calculation of each lead characteristics This function can combined with 12 leads standard simoutaneously ECG to make the 18 leads ECG come true 6 3 1 Custom synchronous 12 lead ECG The specified details refer to the New patient ECG Here only indicate how to customize the name of lead in the ECG recording setting dialog box The following picture shows the ECG recording setting dialog Custom synchronous 12 lead ECG has been selected as the ECG examination item Now C1 C6 lead configuration have been activated place the C1 C6 electrode ball 40 on the lead position where you want to while choosing the corresponding lead name by drop down box to do the examination 6 3 2 Main function 41 G O kb d UB OZavd 2 Els 515 185 The picture above shows the Custom synchronous 12 lead ECG software interface The functions of button in the toolbar is same as the one in standard synchronous 12 lead ECG analysis program and is specified in the main function of standard synchronous 12 lead ECG Note Custom synchronous 12 lead ECG analysis program can only automatically given the diagnosis conclusion of arrhythmias others need doctor
20. patient records 20 It can use the menu bar patient records to display all of the current month s patient records Query for patient records If the records match the Query the records will be display in patient records Delete current record This will delete the current log record of the patient s examination including patient related data to this file Revise current record This action will modify the current patient information including name age sex ECG check number and date of the first Create new patient It will create the new patient information 6 13 New Patient ECG examination Remark Please make sure connect the ECG collector to 21 the computer in advance Create the new patient Select Case manager then press new patient it will display the frame as following Ban Information Name Ag Gender ta Hexgta cen Wapsi 1D Ne Adie a oo 5 Check Information Doc Ne Doc Date 2011 10 14 gt ECG Me Ferain o tasmee No Aia No Cue patiert No Castes erat Custos kem Ces baporu Oter Sakeng Diabetes Hypertens Blevated Cholesterol Congental Heat Disease Typical Angina Apical Angas 2 Mon inga M No symptoms Cesl 22 Please fill in the detail information of the patient And the name age and gender information is necessary After finish the filling please press the Ok at the bottom it will display the frame of Do you make sure to start the examination gui
21. r ECG examination is 500Hz c sampling accuracy 16 bit d Input circuit 20 1pA e Input Impedance 25MQ Patient Current Leakage noise level less than 15yuVp p g Polarization voltage The sensitivity variation less than 5 if plus 300mV DC polarization voltage h CMRR gt 60dB Time constant 23 2s j Safety Level Class I type BF 4 2 System Configuration 4 2 1 Computer a CPU INTEL Pentium Serial PIII Or Celeron500 b Memory Over than 128MB c Hard Driver Over than 40GB 4 2 2 Printer Resolution 2600dpi 4 2 3 Monitor 17 LCD resolution is bigger than 1024 768 4 2 4 Operation system Microsoft Windows 2000 xp 4 3 Operation and storage conditions 4 3 1 Operation conditions Environment temperature 5 C 40 C Humidity lt 80 10 Air pressure 86kPa 106kPa Power AC 220V 10 50Hz 4 3 2 Storage conditions Environment temperature 20 C 55 C Humidity lt 93 Air Pressure 50kPa 106kPa 5 Digitizing ECG work station installation 5 1 System Software installation 5 1 1 Installation of digital ECG workstations software 1 Put the CD in computer drives and then run f setup exe and install directly assume f as drive letter here for drive the dialog will show up choose Chinese language and click OK 2 The following dialog box will pop up at this time Click Next to install drive 3 The dialog box Software installation path will be pop up at this time
22. rdware wizard will appear at this time a picture click the finish button to finish the installation of the hardware drivers 5 2 Hardware Installation Make sure the Flat interface of USB cable is connected with computer and the quadrate one is connected with USB ECG adopter O Make sure the software dog had been connected with the computer 5 3 Starting up the Digital ECG work station analysis software 5 3 1 First start up the Digital ECG Work station analysis system o Install Microsoft office2000 for WINDOWS It should include the Microsoft Access 15 O Setup taskbar properties as Auto hide detail operations as Start Set taskbar amp start menu then click the tab taskbar to choose checkbox Automatic hide taskbar after the dialog box taskbar amp start menu appears O The display resolution should be 1024 768 O Clickthe menu System Settings Jin main menu after starting up the Digital ECG Workstation analysis software then the dialog box System Settings bring out enter the hospital name and departments choose the USB ECG adopter and choose the type of the printer and Long leads in the dialog box when you choose the option ECG waveform grid out when printing the ECG waveform will be showed in grid on the contrary it will not choose Open the automatic analysis diagnosis function the computer will diagnose the result of the ECG you want click OK button after filling over
23. s not suitable for using direct on cardiac AS This equipment can t be connected with other medical equipment to use together AS Before using the auto interpretation as the final report the doctor should check it carefully to make sure the correction of 7 the report AS Although this system can provide the correct information on heart rate electrical axis and the interval but in more cases especially arrhythmia ischemia infarction of the analysis the analysis by an experienced doctor is more reliable than this system Therefore before printing the report the doctors can participate in the identification and confirmation of the waveform position signal quality to ensure the correction of the report AS After you turn off the equipment please make sure to wait at least 1 minute before you open it again AS The maintenance of this equipment must be operated the manufacturer or professional engineers who are authorized by the manufacturer AS Please calibrate the equipment and patient cable according the condition of the equipment be used 8 AS When this equipment don t work on a normal condition the collected waveform is straight line or display the Interference signal or lead offer then please make sure the connection 4 Technology parameter and conditions 4 1 Specification a Power circuit DC5V Power ripple 5 b Sampling frequency ECG ventricular late potentials and pacing is 2000Hz othe
24. to add through Edit button 42 6 4 Vector ECG and Time vector ECG Vector ECG and Time vector ECG are developed based on ECG in order to show the three dimensional change of ECGECG acquisition system can not only depict the surfact ECG vector loop correctly but also automatic caculation out the parameter of vector loop such as maximum space vector magnitude maximum surface of vector magnitude and direction of loop and so on rich variety of parameter 6 4 1 New patient s examination on vector ECG See in specified on the ECG examination for a new patient 6 4 2 Main function 43 eT IOOOR 2 4 7ang Vector ECG analysis program software interface as shown above the ECG waveform on the left screen is FRANK main lead the vertical portion shows the start and end of waveform and the vertical position adjustable The middle of screen is vector loop in surface The right of screen is various parameters and patient information associated with VCG shown in the form of tabs all parameters obtained automatically by the analysis program Measurement 44 Used to be measured Strat the measurement function not only can measure the amplitude and time width of FRANK main lead but also measure the angle and amplitude of vector loop in VCG graph For the vector loop measurement firstly click Measurement to be Pressed state then move the mouse to where the vector loop surface and click the left mouse button now a line segm
25. y recommended click Next to proceed 5 The following dialog box will be pop up to warn that the USB software dog does NOT pass the windows logo test click continue button to install 6 The dialog box finish to find new hardware wizard click finish button to finish installation 5 1 3 The installation of USB collection box drive 13 1 Connect ECG adopter to computer by USB data line then brings out the dialog box find new hardware as picture click next button to proceed 2 At this time the following dialog box will pop out choose install from list assigned address senior and click next to proceed 3 At this time the following dialog box will pop up choose the In search of this position included option which indicates the catalogue of the drive assigned if the install directory of ECGExplorer 500A is located in C Program Files baolidian ECGExplorer500A Digital ECG workstation so the driver will be located in C Program Files BIOTEK ECGExplorer500A Digital ECG workstation ECGExplorer500ADriver click browse button to choose ECGExplorer500A INI and next to proceed 4 For Windows XP the dialog box which indicates the device does Not pass the Windows logo test may bring out click continue to 14 continue install 5 At this time the dialog box will pop up to indicate the drive is being installed by the wizard 6 the dialog box finish finding the new ha
26. ysis of power spectral analysis of the AR model diagram example shown below a be ee Fe No linear Click this button to display no linear heart rate variability analysis results including scatter plots and scatter plots the difference example shown below 51 be ps 7g Click this button to pop up doctor recommended dialog box you can fill out the doctor s advice in this dialog box Print Click this button the Print dialog box will pop up you can print a report of heart rate variability through this dialog box Exit Use this button to exit the current heart rate variability analysis program and enter the main interface of ECG acquisition system 52 6 6 Ventricular Late Potentials Ventricular late potentials VLP is developed as an important method of examination in recent years it has great value of understanding the mechanisms of ventricular arrhythmias assessing the prognosis of patients with myocardial infarction and the prediction of sudden cardiac death 6 6 1 New patients with ventricular late potentials See details of the new patient ECG 6 1 3 It should be noted that heart rate variability ECG recording time is fixed at 300 seconds so after you beginning to record ECG you can not manually stop the ECG recording ECG acquisition system will automatically stop ECG _ recording when it reaches 300 seconds If customer manually stops ECG recording when ECG recording not yet reached 300 secon
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