LEPU Medical ER1-LB Dynamic ECG Recorder User Manual

1. Introduction

The LEPU Medical ER1-LB Dynamic ECG Recorder is a compact and portable device designed for continuous ECG monitoring. It offers real-time waveform display, single-lead acquisition, and can monitor for up to 7 days (depending on the version). The device is compatible with both mobile applications (ViHealth) and PC analysis software (AI-ECG Analysis System) for comprehensive heart health tracking.

Overview of the DuoEK S for daily ECG monitoring, highlighting its compact design and continuous monitoring capabilities.

The ER1-LB ECG Patch features a compact design, weighing no more than 18g. It provides real-time waveform display and single-lead acquisition. Continuous monitoring is available for up to 7 days (with versions offering 24, 72, or 168 hours of recording). It can be worn using either a chest strap or disposable 3.5mm electrodes.

2. Setup

1. Unpacking: Carefully remove the ER1-LB device and all accessories from the packaging. Verify that all components are present: the ER1-LB recorder, a USB charging/data cable, disposable electrode patches, and a chest strap.

Included accessories: ER1-LB device, USB charging cable, disposable electrode patches, and chest strap.
2. Charging: Before first use, fully charge the ER1-LB device using the provided USB cable and a standard USB power adapter (not included). The device's screen interface will indicate "Please Charge" if the battery is low.
3. Software Installation:
   • Mobile App (ViHealth): Download and install the "ViHealth" application from your smartphone's app store (iOS/Android).
   • PC Software (AI-ECG Analysis System): Install the AI-ECG Analysis System software on your computer for detailed report generation and analysis.
4. Device Pairing (Bluetooth): Follow the instructions in the ViHealth app to pair your ER1-LB device via Bluetooth. The device's screen interface will show a Bluetooth icon when connected.

3. Operating Instructions

1. Wearing the Device:
   • Using the Chest Strap: Securely attach the ER1-LB device to the chest strap. Place the chest strap around your chest, ensuring the electrodes make good contact with your skin. Refer to the image for proper placement.
   

   Proper placement of the ER1-LB device using the chest strap for ECG measurement.

   • Using Disposable Electrode Patches: Attach two disposable electrode patches to the ER1-LB device. Apply the patches to your chest, ensuring good skin contact. Refer to the image for proper placement, typically at a 45-degree angle.
   

   Proper placement of the ER1-LB device using disposable electrode patches for ECG measurement.

   Important: Ensure clean, dry skin for optimal electrode contact.

2. Starting Measurement: The ER1-LB features a "One Touch Test" for ease of use. Once properly worn and connected to the app, initiate recording through the ViHealth mobile application or the device itself.
3. Monitoring:
   • The device provides real-time waveform display on the connected mobile app.
   

   ER1-LB device with a smartphone displaying the ViHealth app interface.

   • It supports continuous monitoring for durations of 24, 72, or 168 hours, depending on the device version.
   
   User wearing the ER1-LB device for continuous 72-hour ECG monitoring.
   • The device's screen interface provides status indicators such as ID, PC connection status, battery level, and alerts for "Missing Leads" or "Uninterpretable ECG."
4. Data Review and Analysis:
   • Mobile App (ViHealth): View real-time ECG data and basic analysis directly on your smartphone.
   • PC Software (AI-ECG Analysis System): For detailed reports and in-depth analysis, connect the ER1-LB device to a computer with the AI-ECG Analysis System software installed. The software can generate comprehensive reports including:
     • Overview of ECG data
     • Supraventricular rhythm analysis
     • Ventricular rhythm analysis
     • Heart Rate Variability (HRV)
     • ECG report conclusion
     • Hourly statistics table of ECG/EKG data
     • ECG/EKG Fragment analysis
     • Identification of events like Overall Max/Min Heart Rate, Premature Supraventricular Contraction (PAC), Couple of PAC, PAC Trigeminy, and Supraventricular Tachycardia.

ER1-LB device connected to a laptop, showing the AI-ECG Analysis System software with a detailed ECG report.

4. Maintenance

1. Cleaning:
   • Wipe the ER1-LB device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water.
   • Clean the chest strap and electrode contact points regularly with a mild disinfectant and allow to air dry completely.
2. Storage:
   • Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
   • Keep disposable electrode patches in their sealed packaging until use to maintain adhesive quality.
3. Battery Care: Charge the device regularly, even if not in frequent use, to maintain battery health. Avoid fully discharging the battery for extended periods.
4. Software Updates: Periodically check for updates to the ViHealth mobile app and the AI-ECG Analysis System PC software to ensure optimal performance and access to new features.

5. Troubleshooting

• Device Not Turning On: Ensure the device is fully charged. Connect it to the USB charging cable and a power source.
• No ECG Signal / "Missing Leads" Indicator:
  • Check that the electrodes (either disposable patches or chest strap) are making firm and complete contact with your skin.
  • Ensure your skin is clean and dry.
  • Replace disposable electrode patches if they are old or have lost their adhesive quality.
• "Uninterpretable ECG" Indicator:
  • Minimize movement during recording. Stay still and avoid talking.
  • Ensure there is no strong electromagnetic interference nearby.
  • Re-apply electrodes or adjust the chest strap for better contact.
• App Not Connecting via Bluetooth:
  • Ensure Bluetooth is enabled on your smartphone.
  • Make sure the ER1-LB device is powered on and within range of your phone.
  • Try restarting both the device and the app.
  • Check if the device is already paired with another phone or computer.
• PC Software Not Recognizing Device:
  • Ensure the USB data cable is securely connected to both the ER1-LB device and the computer.
  • Verify that the AI-ECG Analysis System software is correctly installed and running.
  • Try restarting the computer and the device.

6. Specifications

The compact and portable design of the ER1-LB ECG Recorder.

Display of various product certifications including CE, ISO13485, FCC, and RoHS.

7. Warranty & Support

• Warranty: The LEPU Medical ER1-LB Dynamic ECG Recorder comes with a 2-year warranty. Please retain your proof of purchase for warranty claims.
• Technical Support: Online technical support is available for any queries or issues you may encounter.
• Contact Support: For assistance, please contact our support team via email at AutomobileAccessory163@outlook.com.

8. User Tips

• For the most accurate readings, ensure the device is securely attached and electrodes have good contact with clean, dry skin.
• Minimize movement and stay relaxed during ECG recordings to avoid artifacts in the waveform.
• Regularly check the battery level, especially before starting a long monitoring session, to ensure uninterrupted recording.
• Familiarize yourself with the ViHealth mobile app and the AI-ECG Analysis System PC software to fully utilize the device's analysis capabilities.