More ECG+PPG Wearables:
P3 ECG+PPG Blood Pressure waterproof Pedometer Sports Smart Wristband:
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This P3 wristband is the latest device to appear blending ECG technology with PPG optical heart rate measurements to produce an integrated value for blood biometrics like pulse and blood pressure. Using a different tethering app than the previous ECG+PPG units, we see the heart wave information presented without the tagged descriptive information expected. Unfortunately, this “MeCare” app is not as polished as it could be, and it is not easy to export the data collected. Have a look at the review and you’ll see for yourself.
NOTE: For the serious health enthusiasts, here’s a new health band offering unique new biometric measurements of skin humidity, proximity temperature, and the delta, or difference, between actual skin temperature and close proximity wrist temperature. The reason for this appears to be that, by monitoring the spread between your actual skin temperature and the close surrounding air temperature (not the ambient temperature, but the temperature near your body), the band can warn you when you are “too hot” or “too cold” and should take some action to change your body condition. It also tracks these measurements in a series of graphs on the tethering app for you to analyze in detail later. Interested? Learn more here: Then watch the full review of the S3 here:
Want to understand how they are able to estimate Blood Pressure from comparing the ECG electrical signal to the PPG blood flow signal in simultaneous measurements? Then check out this video: “Introducing Richtek integrated ECG/PPG AFE solution for heart rate sensors”
Reference documents supporting this video:
Pulse Wave Transit Time and Its Relationship with Systolic Blood Pressure
Mobile cardiac health monitoring
Patent Application WO 2014042845 A1
BIOMETRIC MEASUREMENT WARNING: This device claims to read Blood Pressure without using a cuff to measure actual Blood Pressure directly. The accuracy of the readings HAVE NOT BEEN VERIFIED and MAY NOT BE ACCURATE. As such, you are advised to proceed with caution and to *NOT* rely upon Blood Pressure readings from this or any similar devices for making decisions regarding your medical condition or health. Fitness/Health watches/bands offering biometric measurements such as heart rate, Blood Pressure, blood oxygen, fatigue, breath rate, etc., should be considered supplemental to seeking true and accurate readings taken under optimal conditions by trained professionals using accurate, calibrated equipment. If you feel concerned about your health, do not self-diagnose, especially from using inexpensive, uncalibrated non-medical wearable devices such as this one. Seek proper medical advice. Enjoy your new toy, but remember, it is a toy.