Scientific Background

Scientific Background

The Personal Health Map described on this page is from a 24h recording with our watch and an ABPM (every 15 min) of a hypertensive diabetic patient that takes anti-hypertensive medication. Recording starts at 16:00 and the colored trace shows the pulse shape change as an indicator of the position in the Health Space. Notice the sharp U-turn following taking medication and starting sleep. Also, notice the big change towards the Unhealthy Zone during wake-up.

Personal Health Maps provide visualization of a person’s position in the Health Space and shows how this position changes in response to interventions like medication, sleep, and physical activity.

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Dr. Ehud Baron’s Presentation at the EuroHypertension Conference

Personal Health Map

Analysis of the PPG signal provides parameters such as continuous blood pressure, continuous cardiac output, stroke volume, and vascular resistance. These are summarized and visualized as a position on a Personal Health Map that traces changes in your Health Position as you go through the day and following any intervention.

Hemodynamic Graphs Over Time

Data collected 24/7 from wearables like a watch, bracelet, ring, or smart garment is analyzed to provide graphs of changes during the 24h period. You can see, for example, a decrease in BP during sleep and a BP surge after you wake up. The period around time you wake up is the most dangerous, as your BP can rise quickly, increasing the risk of events such as heart attack (acute myocardial infarction) and stroke.

The analysis also helps in detecting essential hypertension, fluctuation in diastolic BP (shown to be an independent risk factor), and fluctuation in BP during physical activity, an effect of anti-hypertensive medication. The combination of tracking both BP and ECG simultaneously, together with monitoring SpO2, hydration, and  long-term and phasic stress levels (GSR), provides excellent tools for telemedicine and for maintaining self-awareness of your health any place and any time.

A MAN IS ONLY AS OLD AS HIS ARTERIES

Thomas Sydenham (1624-1689)

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