ECG Viewer User Manual
Contents
1. Please keep in mind to remember uncheck when viewing other recordings Measurements A number of automatic measurement results of the current page are shown including R R interval variation QRS energy ratio and correlation coefficients of P QRS T complex between the template and current recording No change found Automatic analysis conclusion based on current page is shown as one of the following possible statements no change found ventricular arrhythmia supra ventricular arrhythmia undetected QRSs unrecognized waveforms interferences and invalid recording Warning The analysis conclusion is made automatically and for reference only It might be Inaccurate especially when the waveform is complicated and or contaminated with noises Check later The text and its color of this field indicate the level of the early warning of the heart health The safest level is Check Later in green color the cautious level is See Doctor in yellow color the dangerous level is Urgent in red color There is a situation where the recorded data is unusable for automatic analysis and Analysis Failed in black color is shown instead The early warning indication is for reference only and there might be possible false ones Please ask doctor to verify the results Comment The text comment can also be entered for the current recording Just Dr ee click on the comment area and an input box is shown with original comment Up t2. ECGViewer User s Manual Version 1 2 Table of Contents De MENER OCC HOD E E E A E E TEE 2 2 Product features and system requirement sccccccccssssssssssccccccsssssscccssssseees 2 2L Review EGG POCORGIINOS ceinen aaa aa a aa S 2 2 2 Measure and print ECG data cccsssssccccccccsssssscccsssssssseessssssccccccccsssneceeeesssssseeees 2 Zo DV SECT COUNT CIV IN ne n T TT T 2 3 Installation and running eescssssseccccssssceeccosssccecccssscecocosssscceosssssseeosssssseeeo 2 5 AIMS EAWIS SOTCW AT neran tse E T N 2 22 RUNDE SOWIE 3 a ETK S E E E ES TEE EA NT ETE TS 3 AN Stare Mte ICE a T 3 AZ SONWALE Er IC C eaaa aa aaa a 3 5 Software TUNCUIOMS eaire rine rioetan en ES EAA ES EN EEEE Eaa 4 S LECG Waverormaisplay TEZON punonin aonad Eai 4 SZP ORS analysis TODON e E 5 9 3 ECG recording Information reblo sisii a i a aa 6 SE eE O 0 ee EE E EN E E EEE SI IET OEA OSETIA 8 5 5 WaVelorim DFOWSING TED ION eion a a a eaaa d 8 5 6 Waveform browsing toolbox region cccceccceeecececeeeeeeeeeeeececeecececccceceeeeeseeeeeeeeeeeeeeeeess 9 Os DUDS Sete peectce n E es ous eeaseteneaeneees 11 1 Introduction ECGViewer is the software to view the ECG waveform and other information recorded by Micro Ambulatory ECG Recorder It needs to be installed on a PC before running The software supports automatic analysis for P QRS T categorization R R interval variation QRS energy ratio correlation coefficient of P QRS T comp
3. d four choices for gain 2 5mm mV 5mm mV 10mm mV and 20mm mV Gain 1Onm my Speed ocmm s Figure 13 Gain and speed selection box The previous and next mark buttons are to locate ECG waveform according to the time mark made by the subject during ECG recording shown as in figure 14 Micro ambulatory ECG recorder provides marking function in Holter mode the marking position will be symbolized as flag during waveform display and the selected mark will be symbolized as solid flag shown as in figure 15 and the other as hollow flags shown as in figure 16 Prey Mark Hext Mark Figure 14 Previous Next mark button 10 Figure 15 Currently chosen mark Figure 16 Other marks The language selection box is for the interface language that can be English or Chinese The default language is Chinese Users can choose one and then restart ECGViewer to make the change in effect Languagef Engli sh Figure 17 Language selection box 6 Tips The vertical position of ECG traces can be adjusted by the vertical scroll bar The waveform contaminated with PLI may be improved by choosing Remove PLI Please also pay attention to the PLI frequency that can be either 50Hz in most Asian and European countries or 60Hz in America or Japan Do not remove the memory card while ECGViewer is running Please do not install or delete programs while ECGViewer is running The maximum duration of ECG waveform display for one
4. folder for ECG recordings and click to explore it H H Folder list Figure 6 Folder list region 5 5 Waveform browsing region All the ECG recordings from the selected folder in the folder list region are shown 8g in this region The recordings are arranged according to the recording date and time where the format is by using year tag month tag and date tag ECG year month day anda list of time and ECG recording file name Click on each tag to expand or collapse Click on a recording item to view the waveform as shown in the ECG waveform display region The recording s file path and name are also shown in the topmost title bar The recording item will be colored according to its level of early warning same as in the ECG information display region The currently opened recording item in focus is always colored in blue for highlighting The currently opened recording item out of focus will be indicated by a black frame instead of highlighted in blue color The entered comment will be shown as the mouse cursor stays over the recording item Waveform browsing Figure 7 Waveform browsing region 5 6 Waveform browsing toolbox region The waveform browsing toolbox region is useful for fast browsing of the ECG recordings and is located at bottom of the ECG data display region It contains a waveform browsing scroll bar and a number of buttons The waveform browsing scroll bar can be used to indicate the location of
5. ftware Use Thank ou For choosing ECG Viewer software products hereinafter referred to as the Software Product From Dirnetek Digital Medical Technology Lid Please read this Agreement carefully before using the software product By installing copying or running the Software Product you agree all the conditions stated in this agreement IF you do not agree to any of this Agreement immediately stop the installation or use of the Software Product Software Application Guide The Software Product is only suitable For the ECG data acquired by Dimetek products solely For personal and professional managing opening analyzing transmitting the acquired data made by Dimetek products as well as typing and displaying Consultation context Unless otherwise expressed explicitly upgrading of the current Software Product including any new Features and specifications is subject to this Agreement The user understands and agrees that the Software Product is only presented in the possible applications according to their current situation and does not imply any other Functions The Software Product is only a reference for measuring the acquired data and presenting the typed and transmitted context and cannot provide or imply any clinical diagnosis any clinical opinions any guarantee of any effectiveness or promptness a T Don t show again Figure 1 Software License Agreement 4 2 Software interface The user interface of ECGViewer sof
6. is set 5 When an ECG waveform recording is opened that has the same parameters same setting of leads and recording mode as the template the template waveform is shown in the analysis region as overlapped so users could make comparison between the new waveform and the template waveform Please note the template is related to the recording leads sample rate and mode different recording leads sample rate and modes need different templates ALL Snag eS nea Ee aia R I a HF han A Ol a eB eee cee ee cet ect E E E cet eee es es Se cee eee etc 2 E ei BS eee ieee e E A E sabia di Update tempt ot ieee us SEn eee 447 Update Templet i PE ae ae e a E E a a a a a a a S AA a Figure 4 P QRS T category selection bar left P QRS T analysis region right 5 3 ECG recording information region The contents of the various fields in the ECG recording information region are described as follows Name The username is shown in the editable box if it has been entered and stored in the Micro Ambulatory ECG Recorder please refer to the User s Manual for details Otherwise it will leave blank Press Fl for help Press Fl to view this manual Recording date time It shows the recording date and time of the current waveform Total time length It shows the total recording duration Current displaying time It shows the time range of current page This is useful when the recording is
7. king and magnifying of all the waveforms of the current P QRS T category Waveforms of the current P QRS T category are displayed in blue in the ECG waveform display region The scale on the upper right corner indicates the speed is 100mm s and it is fixed the gain is 4 times of the gain value in the ECG data display region and it changes as the gain value in the ECG data display region changes The numerator on the right lower corner indicates number of current P QRS T category and the denominator indicates total number of the P QRS T in current page When there is only one P QRS T category in the current page the numerator is the same as denominator The user can switch the P QRS T category by P QRS T selection bar on left of the P QRS T analysis region The ECG waveform of the selected category is shown in blue in the ECG waveform display region Templates are used for comparisons of the characteristic P QRS T complex that the doctor considers as stable or safe to the current recorded P QRS T complex of major category Template Update button is available at lower left corner of the P QRS T analysis region through which the current recording is set and updated as the template Insertion of the TF card accompanied with the device is needed for this operation and the template will be saved in the TF card The template P QRS T complex in green color will be shown as overlaying the current P QRS T complex in the analysis region once the template
8. lex between the template and the current recording as well as the cardiac health condition early warning version dependent 2 Product features and system requirement 2 1 Review ECG recordings The software allows users to open the file of ECG format files recorded by Micro Ambulatory ECG Recorder and view the ECG waveforms 2 2 Measure and print ECG data ECG waveform can be measured and analyzed The measurement and analysis are automatically calculated and are shown on screen or can be printed to a printer 2 3 System requirement Windows XP windows Vista windows 7 CPU x86 CPU e g Intel or AMD platform RAM 128MB 3 Installation and running 3 1 Installing software Double click file Dimetek ECG Viewer Setup msi and install the software following ECG Viewer the instructions Icon is available on the desk when the installation is finished Please contact distributor of the device immediately if the installation cannot be completed 3 2 Running software tl Double click ECGViewer icon ea to run the software 4 Software interface 4 1 Start interface A software License Agreement box pops up every time when ECGViewer is started shown in Figure 1 Click Agree to continue meaning the user agrees all the conditions listed in the user license agreement This can be disabled if Don t show again is checked User License Agreement So
9. o 30 letters are allowed for the comment After finishing entering click on the OK button to confirm the operation or click anywhere else to cancel the operation Hame Fress Fl for help Record Date Time 2013 06 21 14 14 29 Total Length 00 00 25 Current Display 14 14 29 14 14 54 HR T3bpm Remove S0Hz PLI Lead Va e Sample Rate 200sps Mark 0 0 Invert Filter Range 0 50 40 00Hz Measurements YAR rr 0 2T Ratio 1 00 COR_tmpl 1 00 Sup Vent Problem See Doctor Diagnosis by clinicians only Comment SYES Figure 5 ECG information recording region Attention all the information output by MicroECG and ECGViewer is for reference of users and doctors only and is not suitable for self diagnosis Users should consult doctor for help instead of depending on the shown information When the green Check Later is indicated more ECG recordings should be made some other time as the heart attack may occur at anytime when the yellow See Doctor is indicated medical consultation should be made as soon as possible when the red Urgent is indicated emergency medical help is needed Moreover when the black Analysis Failed is indicated recording method should be checked and another recording should be tried again 5 4 Folder list region All the drive symbols in the computer are listed in this area after the software is started and the ECGViewer folder is opened by default Users may find the
10. of multiple pages Sample rate It shows the sample rate of the current recording HR The heart rate is calculated and shown using the current page ECG waveform E Please note the heart rate calculation is for current page only instead of the whole recording It may change when the display page is changed Leads It indicates the combination of the leads and connection method selected during recording using the Micro Ambulatory ECG Recorder I II IIIS Vl V3 V5 is leads information and e t is connection method An e stands for electrical lead connection and t stands for skin touch connection Please refer to the User s Manual of the recorder for details Mark The marking time and fraction numbers will be shown here if mark function in Holter mode was used Please refer to the User s Manual for details The denominator is the total marks and numerator is the current selected mark Waveform filter bandwidth It indicates the filtering bandwidth setting when the recording was made Please refer to the User s Manual for details Removal of Power Line Interference PLI removal is not necessary inmost cases and it may cause distortion of ECG waveform However removal of PLI will help clear up the ECG waveform when the recording is contaminated with PLI Invert If the leads are connected reversely while collecting the ECG the waveform will be shown upside down Checking this will help restore the waveform
11. page is 64 seconds The print out is the same as the display on screen Please pay attention to the scale and unit when viewing the ECG waveform Accurate diagnoses are made possible only by medical authorities Please consult medical authorities for the clinical meaning of the ECG waveforms instead of trying to make self diagnosis 11
12. the waveform of current page in the whole data Users can browse the ECG waveform quickly by clicking or dragging the scroll bar with the mouse or just by rolling the mouse wheel The waveform is always shown in pages Figure 8 Waveform browsing scroll bar The file open button is used as an alternative way to view ECG recordings Clicking this button will pop up a file open dialog window just like a regular Windows file open dialog Hix Choose the desired recording file from this dialog window to open it Please note only one file can be opened at a time Open Figure 9 File open button The page left right buttons are for turning display pages of ECG recordings one page is turned each time hitting the button It is used for subtle location of the waveform position ie Figure 10 Left page Right page button ECGViewer supports saving the current interface as PNG picture content saved includes ECG data display region P QRS T analysis region and ECG recording region PHG Figure 11 PNG picture saving button Print button is used to print out the current ECG waveform content saved includes ECG data display region P QRS T analysis region and ECG recording region amp Figure 12 Print button The gain selection box and speed selection box are used to adjust the gain and speed of the displaying ECG waveform respectively There are three choices for speed 12 5mm s 25mm s 50mm s an
13. tware is shown as illustrated in Figure 2 The file path and name of the currently shown ECG file are shown on the title bar otto ARAB TAO En Figure 2 Software user interface The software user interface is divided into six regions the ECG waveform display region P QRS T analysis region ECG data information region folder list region recording list region waveform browsing region and button region Detailed illustrations of each region are described in section 5 5 Software functions 5 1 ECG waveform display region Function of the ECG waveform display region is to display the recorded ECG waveform Typically four traces of waveform are shown in the region The pink color grids are for easier amplitude and time estimation One small grid represents Imm while one big grid represents 5mm The scale in the upper right corner indicates the current speed mm s and gain mm mV for the ECG waveform Relative and absolute recording times are shown above each of the four waveform traces to help user locate the waveform of a given time The vertical position of the traces can be adjusted using the scroll bar located in the middle of the region so the ECG waveform can be viewed when the waveform amplitude is big or the baseline is shifted significantly Figure 3 ECG data review region left scroll bar right 5 2 P QRS T analysis region The waveform displayed in the P QRS T analysis region is the stac
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