Differential Diagnostics™ - Devices
Core 500 Digital Stethoscope
General Information
Q. What is the Core 500™ used for?
A. Amplifies, filters, and transfers body sounds and 3-lead ECG waveforms; displays ECG and heart rate.
Q. Who can use it?
A. Clinicians in healthcare settings and lay users under clinical supervision. Q. What auscultation modes are available? A. Cardiac, Pulmonary, and Wide Band.
Device Setup and Use
Q. How to connect to the App?
A. Enable Bluetooth, power on device, open app, follow pairing instructions.
Q. Compatible devices?
A. iPhones (iOS 15+) and Android (OS 11+).
Q. Can it be used while charging?
A. No, it won’t operate or connect during charging. Q. Battery life and charging time? A. 5 hours of use; ~3 hours to fully charge.
Features and Functions
Q. How to change audio filters?
A. Press top button <1 second to cycle through modes.
Q. How to start a recording?
A. Press top button for 2 seconds or tap Record in the app.
Q. What does the screen show?
A. Filter mode, battery, Bluetooth, volume, heart rate, ECG, lead contact.
Q. How to change audio filters?
A. Press top button <1 second to cycle through modes.
Q. How to start a recording?
A. Press top button for 2 seconds or tap Record in the app.
Q. What does the screen show?
A. Filter mode, battery, Bluetooth, volume, heart rate, ECG, lead contact.
ECG and Audio Capture
Q. How to ensure good ECG signal?
A. Clean skin, use alcohol wipes or ECG gel, apply firm contact.
Q. Can it detect pacemaker activity?
A. No, it cannot record pacemaker signals.
Q. Is ECG display diagnostic?
A. No, it’s for rhythm analysis and signal quality only.
Q. How to ensure good ECG signal?
A. Clean skin, use alcohol wipes or ECG gel, apply firm contact.
Q. Can it detect pacemaker activity?
A. No, it cannot record pacemaker signals.
Q. Is ECG display diagnostic?
A. No, it’s for rhythm analysis and signal quality only.
Safety and Precautions
Q. Key safety warnings?
A. Avoid use on broken skin, in MR environments, or with children unsupervised.
Q. Recommended operating conditions?
A. +5°C to +45°C; 15–90% RH, non-condensing.
Q. Key safety warnings?
A. Avoid use on broken skin, in MR environments, or with children unsupervised.
Q. Recommended operating conditions?
A. +5°C to +45°C; 15–90% RH, non-condensing.
Cleaning and Maintenance
Q. How to clean the device?
A. Use isopropyl alcohol wipes; do not immerse or autoclave.
Q. When to stop using the device?
A. If damaged, won’t power on, won’t charge, or has signal issues.
Q. How to clean the device?
A. Use isopropyl alcohol wipes; do not immerse or autoclave.
Q. When to stop using the device?
A. If damaged, won’t power on, won’t charge, or has signal issues.
Connectivity and Security
Q. Is data transmission secure?
A. Yes, encrypted with TLS 1.2+ (in transit) and AES 256 (at rest).
Q. Recommended network settings?
A. Wi-Fi 802.11n with WPA/WPA2; 4000 Kbps upload speed minimum.
Q. Is data transmission secure?
A. Yes, encrypted with TLS 1.2+ (in transit) and AES 256 (at rest).
Q. Recommended network settings?
A. Wi-Fi 802.11n with WPA/WPA2; 4000 Kbps upload speed minimum.
Blood Pressure Monitor (iHealth)
Q. What is the recommended way to measure blood pressure?
A. Sit comfortably, relax for 5 minutes, keep the cuff at heart level, avoid talking or moving, and use the same arm each time.
Q. Can I use rechargeable batteries?
A. No, rechargeable batteries are not suitable. Use 4 AAA alkaline batteries.
Q. What does the backlight color mean?
A. Green = Normal, Yellow = Slightly Elevated, Red = High (based on WHO classification).
Q. What should I do if I see an error code?
A. Refer to the troubleshooting section. Most errors relate to cuff placement, battery issues, or movement during measurement.
Forehead Thermometer (ihealth)
Q. How do I take a measurement?
A. Hold the thermometer 1 inch from the center of the forehead, press the button, and wait for the beep.
Q. What is the normal temperature range?
A. 36.1°C to 37.2°C (97°F to 99°F) is considered normal.
Q. Can I use it on infants?
A. Yes, it is suitable for all ages.
Q. How do I clean the sensor?
A. Use a soft cloth with alcohol. Do not immerse in water.
Q. What does the color-coded result mean?
A. Green = Normal, Orange = Slightly Elevated, Red = High Fever.
Pulse Oximeter (PO3)
Q. What does it measure?
A. Blood oxygen saturation (SpO2) and pulse rate.
Q. What is a normal SpO2 reading?
A. Typically between 96%–99%.
Q. Can I use it without a smartphone?
A. Yes, it stores up to 100 readings and syncs later when reconnected.
Q. What affects accuracy?
A. Movement, nail polish, poor circulation, bright light, and certain medical conditions.
Other Topics
Autonomous Care Unit (ACU™)
Differential Diagnostics™
Interactive Tutorials & Video Guides
Documentation
Regulatory & Compliance
Data Privacy & Security
