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C a i r d   T e c h n o l o g y   I n c .

C a i r d   T e c h n o l o g y   I n c .

C a i r d   T e c h n o l o g y   I n c .

C a i r d   T e c h n o l o g y   I n c .

 

                 

Page 22 of 29

 

205 Camden Chase 
Columbia, S.C. 29223 
Phone 803-736-1289

 

 

 

 

Warning: 

REMOVING AND REPLACING THE BATTERY DURING A STUDY 

MAY RESULT IN THE LOSS OF ALL PATIENT DATA. 

 

Data Retrieval 

 

ECG data is stored on a SD card located in the battery compartment. To remove the SD card, 
push the card into the slot and it will release. You can then pull the card out of the slot. The ECG 
Data may now be placed into a card reader and loaded into the HRV software for analysis. 
Please refer to operating instructions for your HRV system. 
 

 

Warning: 

HRV REPORTS MUST BE READ BY A PHYSICIAN WHO IS TRAINED 

TO INTERPRET AN HRV STUDY. PHYSICIANS SHOULD ORDER A REPEAT 
STUDY WHEN THE HRV IS OF POOR QUALITY. 

 

Recorder Messages 

 

There are several messages that could appear to alert you that action may be required before 
proceeding, or simply to alert you that an error has occurred. These messages include: 
 

 

Summary of Contents for HRV VX3+

Page 1: ... 1 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 HRV VX3 Recorder Manual Series E Caution FEDERAL LAW RESTRICTS THIS DEVICE FOR SALE TO OR ON THE ORDER OF A PHYSICIAN Caution Carefully read all instructions prior to use Observe all warnings and precautions noted in these directions Failure to do so may result in patient complications ...

Page 2: ...otes 6 Section 1 Introduction Purpose Of The User Manual 7 System Description 7 System Illustration 7 8 Section 2 Getting Started Secure Digital Card 9 Battery 9 Screen Navigation 10 Selecting Features and Preferences 11 Start Up 11 Setup Menu 11 Set ID 11 Set Name 12 Pacemaker 12 Sample Rate 12 Record Length 12 Real Time Clock 13 Patient Cable 13 Patient Preparation 13 Patient Hookup 14 15 Sectio...

Page 3: ...he CAIRD TECHNOLOGY INC HRV recorders are carried out only by CAIRD TECHNOLOGY INC authorized personnel AND 2 The CAIRD TECHNOLOGY INC VX3 is used as presented in this manual The warranty is only valid if you use CAIRD TECHNOLOGY INC approved replacement parts and accessories User Responsibility The user of this product is responsible for ensuring the implementation of a satisfactory maintenance s...

Page 4: ...able for errors or omissions that may appear in this document CAIRD TECHNOLOGY INC makes no commitment to update or to keep current the information contained in this document Before using the CAIRD TECHNOLOGY INC VX3 HRV Recorder read this manual in its entirety and become thoroughly familiar with the contents VX3 User Manual Doc VZ 2080 rev 0 3 User Safety Information Intended Use The VX3 HRV rec...

Page 5: ...EC 601 1 and IEC 601 2 47 4 Hardware is designed to meet or exceed IEC 601 1 2 however some environmental electrical interference may cause an artifact in the ECG The quality of ECG signals may be adversely affected by electromagnetic interference from environmental sources resulting in non physiological waveforms with the potential for misinterpretation 5 This device is not intended for use durin...

Page 6: ...nd mild detergent solution and then dry with a clean soft cloth 3 No serviceable parts are inside Only qualified service personnel may remove screws on the enclosure The warranty is void if anyone other than qualified service personnel tampers with the device 4 Do not pull or stretch patient cables as this could result in mechanical and or electrical failures Store patient cables after use by form...

Page 7: ... patients Purpose of the User Manual The User Manual describes how to safely operate the VX3 HRV recorder In the manual the following are described Preparing the device for use Understanding and using the keyboard screen and menu sequence Acquiring and storing ECG Maintenance System Description The VX3 HRV recorder is a portable battery operated HRV recorder used by trained technicians to collect ...

Page 8: ... r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 8 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 ...

Page 9: ...ush it into the slot until it clicks into place To remove the SD card push the card into the slot and it will release You can then pull the card out of the slot The battery must be removed prior to inserting or removing the SD card Battery The VX3 uses one alkaline AA battery IEC LR6 No other batteries may be used To install the battery remove the battery door on the back of the device and place a...

Page 10: ... THE DEVICE AND IMPACT THE DEVICE S ABILITY TO PERFORM THE PATIENT S ECG TEST Caution THE BATTERIES USED IN THIS DEVICE MAY PRESENT A FIRE OR CHEMICAL BURN HAZARD IF MISTREATED DO NOT DISASSEMBLE HEAT ABOVE 100 C 212 F OR INCINERATE Caution KEEP THE BATTERY COMPARTMENT DRY DO NOT IMMERSE IN WATER DISPOSE OF ALL BATTERIES PROPERLY DO NOT DISPOSE IN TRASH KEEP AWAY FROM CHILDREN Screen Navigation Th...

Page 11: ...are the SD card for recording and then enter the ECG display screen The ECG display screen can be used to evaluate the patient hook up Pressing the enter key will cycle the ECG display between three channels of ECG and each of the three channels of ECG individually The recorder will enter recording mode automatically in approximately eight minutes Press and hold the enter key for four seconds to i...

Page 12: ...eristics may be detected as pace pulse occurrences Sample Rate Use the listings under sample rate to select desired ECG sampling rate Sample rates of 128 256 512 and 1024 samples per second sps can be selected Choose only sample rates supported by your particular HRV playback system Sample rate defaults to previous recording session s sample rate Note Sample rate choice for the HRV test is typical...

Page 13: ... a cable into position Both a 5 lead 3 Channel patient cable part 850 05R1 100 and a 7 lead 3 channel patient cable part 850 07R1 100 are available Patient Preparation Note Proper patient preparation and electrode placement are important for acquiring a high quality ECG 1 Prepare the electrode site by removing oils and lotion from the skin If necessary shave the area where electrodes will be place...

Page 14: ... to maintain good electrical contact between the electrodes patient cables and the patient s skin Suggested electrode placements are shown in the diagrams below in Figures 2 5 and 2 6 However it is up to the physician to make the final placement determination The recorder s ECG display screen can be used to verify a proper patient hookup Warning DO NOT RELY ON THE LED DISPLAY AS A DIAGNOSTIC TOOL ...

Page 15: ... This is a warning indicating the previously recorded ECG data file has not been played back in a HRV system Either remove the SD card and download the file into the HRV system or press the enter key to erase the file and continue to the Setup screen The Setup screen is the next screen displayed Follow the instructions in Section 2 to modify settings or press the right arrow key to proceed to the ...

Page 16: ...now perform the Paced Breathing Exercise A bar will appear on the left of the display and move to the right The message on the Display will be INHALE It will take 5 seconds for the bar to cross the display After 5 seconds a beep will sound and the bar will again start to cross the display The message on the Display will be EXHALE It will take 5 seconds for the bar to cross the display The Paced Br...

Page 17: ... r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 17 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 ...

Page 18: ...onds The message on the Display will be EXHALE HARD The total test time will be 20 seconds After the test is complete the Display will say Test Complete The Test Complete message will be displayed for 3 seconds When the Valsalva Test is complete the patient should breathe normally for a minimum of 1 minute 60 seconds After the Valsalva Complete message has been displayed for 3 Seconds the display ...

Page 19: ... r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 19 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 ...

Page 20: ...e the message on the display will be Press Event Button when Patient lies down Event Button pressed when Patient lies down The Patient will now perform the Posture Exercise The message on the display will be Lie Down A bar will move across the display during the 5 minute lying down phase After the 5 minute period the display will say Press Event button when Patient Stands If the patient event butt...

Page 21: ...g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 21 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 After the patient stands up the system will count for a time of 30 seconds The display will say HRV Test Complete ...

Page 22: ...e SD card push the card into the slot and it will release You can then pull the card out of the slot The ECG Data may now be placed into a card reader and loaded into the HRV software for analysis Please refer to operating instructions for your HRV system Warning HRV REPORTS MUST BE READ BY A PHYSICIAN WHO IS TRAINED TO INTERPRET AN HRV STUDY PHYSICIANS SHOULD ORDER A REPEAT STUDY WHEN THE HRV IS ...

Page 23: ...The VX3 executes a power on self check when the battery is inserted Any errors in the unit s subsystems will be reported with an appropriate error message Following the instructions on the screen and then removing and replacing the battery can remedy most errors A blank display indicates a discharged battery or a malfunctioning device If error messages persist contact your CAIRD TECHNOLOGY INC ser...

Page 24: ...perating Humidity 10 90 non condensing Storage Media Removable Secure Digital card 128MB 2GB Batteries AA Alkaline Batteries IEC LR6 Functional Operating Duration Programmable Channels 3 Channels Input Leads 5 or 7 Sample Rate 128 1024 Hz Input Range 10 mV CMRR 60 dB Key Panel 5 keys Up Down Right Left Enter SD card Capacity 128 MB to 2 GB Real Time Clock 1 10 Second Resolution The VX3 is complian...

Page 25: ... d T e c h n o l o g y I n c Page 25 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 Warning THE VX3 SHOULD NOT BE USED ADJACENT TO OR STACKED WITH OTHER EQUIPMENT IF ADJACENT OR STACKED USE IS NECESSARY THE VX3 SHOULD BE OBSERVED TO VERIFY NORMAL OPERATION IN THE CONFIGURATION IN WHICH IT WILL BE USED ...

Page 26: ... a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 26 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 Emissions test Compliance Electromagnetic environment guidance ...

Page 27: ... r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 27 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 ...

Page 28: ... r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 28 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 ...

Page 29: ... r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c C a i r d T e c h n o l o g y I n c Page 29 of 29 205 Camden Chase Columbia S C 29223 Phone 803 736 1289 ...

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