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Caird Technology HRV VX3+ Manual

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HRV VX3+
Caution: FEDERAL LAW RESTRICTS THIS DEVICE FOR SALE TO OR ON
Caution:
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 .
205 Camden Chase
Columbia, S.C. 29223
Phone 803-736-1289
Recorder
Manual
Series E
THE ORDER OF A PHYSICIAN.
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 1 of 29

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Summary of Contents for Caird Technology HRV VX3+

  • Page 1 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: Table Of Contents

    Table of Contents Notices: Conventions Used In This Manual………………………………………… 3 Manufacturer’s Responsibility……………………………………………… 3 User Responsibility………………………………………………………….. 3 Equipment Identification…………………………………………………….. 3 Copyright and Trademark Notices…………………………………………. 3 Other Important Information………………………………………………… 4 User safety information: Intended Use…………………………………………………………………. 4 Explanation of Symbols……………………………………………………... 4 Warnings……………………………………………………………………… 5 Cautions……………………………………………………………………….

  • Page 3: Notices

    Failure to do so may cause undue failure and possible health hazards. Equipment Identification CAIRD TECHNOLOGY INC. equipment is identified by a serial number on the back of the device. Please take care not to deface these numbers.

  • Page 4: Other Important Information

    CAIRD TECHNOLOGY INC. reserves the right to change or amend this manual at anytime without notice. CAIRD TECHNOLOGY INC. makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.

  • Page 5: Warnings

    However, the data should not be used as sole means for determining a patient’s diagnosis. 2. Use of accessories other than those recommended by CAIRD TECHNOLOGY INC. may compromise product performance.

  • Page 6: Cautions

    Cautions 1. To prevent possible damage to the keypad, do not use sharp or hard objects to depress keys. 2. Although the plastic enclosure is designed for a clinical environment and can resist moisture, neither the device nor patient cables should be cleaned by submersing into a liquid, autoclaving or steam cleaning.

  • Page 7: Section 1: Introduction

    Section 1: Introduction This manual is written for clinical professionals. It is assumed that the reader has a working knowledge of medical terminology and procedures as required for monitoring cardiac 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: •...
  • Page 8 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 9: Section 2: Getting Started

    Section 2: Getting Started A Secure Digital (SD) card and a battery must be installed to operate the VX3+. The SD card must be installed before the battery is installed. Secure Digital (SD) Card The VX3+ stores acquired ECG data to a standard SD card with capacity between 128mb and 2GB.

  • Page 10: Screen Navigation

    NOTE: If the VX3+ will not be in use for a prolonged period of time, remove the battery from the device. Caution: INSERT BATTERY AS DIRECTED IN THIS MANUAL. IMPROPER INSTALLATION COULD DAMAGE 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.

  • Page 11: Selecting Features And Preferences

    Selecting Features and Preferences Start Up Upon insertion of a battery, the VX3+ performs a system check and briefly displays the splash screen. The device serial number and firmware version are shown on the splash screen. The next screen to appear is the Setup Menu. Recording parameters and preferences are selected with the Setup menu.

  • Page 12: Set Name

    Set Name Set Name is used to enter a patient name. The navigation keys are used to navigate the character screen. Once a character is highlighted it can be selected with the enter key. After patient name is entered, select DONE and press enter to return to Setup menu. Pacemaker The VX3+ is designed to detect pulses generated by pacemakers.

  • Page 13: Patient Cable

    Attaching Recorder to Patient Patient Cable The Patient cable connects to a port on the left side of the VX3+. The cable can only be inserted in one direction, and will easily snap into place when properly positioned. Do not force a cable into position.

  • Page 14: Patient Hookup

    Patient Hookup In order to obtain a high-quality ECG signal it is necessary 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.

  • Page 15: Section 3: Recording An Hrv Ecg

    Read and follow instructions included with the electrodes. Check the patient cable for damage or wear. Replace if necessary. Use Silver Chloride disposable electrodes designed for 24 hour monitoring. 2. Place the electrodes onto the ECG leads. 3. Remove the backing from the pre-gelled disposable electrode. 4.

  • Page 16: Hrv Test Sequence

    Autonomic Nervous System Test Sequence After pressing the Patent Event Button the recorder will complete its internal setup functions. “Press Event Button to Start Paced Breathing Test” will appear on the Display. Event Button Pressed to start Paced Breathing Test The Patient will now perform the Paced Breathing Exercise.

  • Page 17: Data Retrieval

    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 18 After the Paced Breathing test is complete and the 3 seconds have elapsed the Display will display “Press Event Button to start Valsalva Test”. Event Button Pressed to start Valsalva Test. The Patient will now perform the Valsalva Exercise. A bar will appear on the left of the display and move to the left for a period of 20 seconds. The message on the Display will be “EXHALE HARD”.
  • Page 19 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 20 When Valsalva Recuperation is complete the patient should lie down to start the posture test. After the Valsalva Recuperation phase is complete 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.
  • Page 21 After the patient stands up the system will count for a time of 30 seconds. The display will say “HRV Test Complete” 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: Recorder Messages

    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.

  • Page 23: Section 4: Device Maintenance

    If error messages persist contact your CAIRD TECHNOLOGY INC. service representative. Except for battery and SD card replacement, there are no user serviceable parts in the VX3+. The unit must be returned to CAIRD TECHNOLOGY INC.

  • Page 24: Vx3+ Specifications

    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. VX3+ SPECIFICATIONS Physical: Dimensions 3.45” x 2.6” (88MM X 66MM) Enclosure ABS+PC, IPX0 Weight 2.7 ounces, 76.6 grams Operating Position Any Orientation Operating...
  • Page 25 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. C a i r d T e c h n o l o g y I n c .
  • Page 26 Emissions test Compliance Electromagnetic environment - guidance 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 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 28 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 29 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 .

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