Interpreting the Comprehensive Pulse Report

Interpreting the Comprehensive Pulse Report

At Biostrap, we are proud to be using clinically reliable sensors in our device.

Besides monitoring your physiology during sleep, you can also have a snapshot look at your health with our on-demand pulse reports. Results are emailed in a PDF file, and are easy to share with your healthcare provider or loved ones.

To run a report, go to the Record page and check "Email me report" under Biometrics, select one of the two options and select "Record"

  • Pulse Report (2-minute scan)
  • Comprehensive Pulse Report (5-minute scan)

Insider tips for the best possible report:

  • Stay completely still and try to relax during the full reading
  • Prevent outside light from interfering (you can cover your wristband with your sleeve or a piece of clothing)

When the report is finished analyzing, your PDF results will pop up on your screen and you can select to view the report in app. The report will also be saved in your Timeline and sent to the email you provided prior to recording the pulse report.

How to record and interpret the pulse reports 

First, you will see your Biometrics taken during the Pulse Report recording compared to your last 30-day average.

Next is a visual representation of the PPG signal and the heartbeat data over the time duration. It is broken into 30 portions for the regular Pulse Report and 60-second portions for the Comprehensive Pulse Report. 

Each peak in the graph is a heartbeat. If there are 60 heartbeats in a 60-second session then your heartbeat was 60 BPM. Using the RMSSD method, we measure the distance between successive heartbeats and use that data to calculate your RR-interval which is then used in producing your HRV, Oxygen Saturation and Respiratory Rate. 

An ideal graph will show clear and successive peaks. While artifacts may show if excessive movement or ambient light is present.

The next graph in the report is the RR - Tachogram. 

This represents the speed of each RR-interval and shows the consistency of your pulse. Ideally for the time duration, having a consistent and relatively straight line is good. While having points laying much higher or lower in the line tend to recognize irregularities in your heartbeat. 

The next graph is the PoinCaré Plot.

This represents an RR cluster Plot which is a representation that can give quick insight into irregularities or odd rhythm patterns. Ideally, a user will want to see the cluster of points very close together with points farther outside the cluster representing irregularities in the rhythm.

Frequency Domain Analysis

This shows you the distribution of your data split into High Frequency(HF), Low Frequency (LF) and Very Low Frequency (VLF). These measurements give an idea of the autonomic balance between your sympathetic and parasympathetic nervous systems. 

With the comprehensive pulse report, we will aggregate the data to give you an idea of your Arterial and Peripheral Elasticity.  Increased stiffness can be associated with the development of cardiovascular disease. 

Arterial Elasticity is a measure of how elastic or stiff your arteries are. This factors into one's blood pressure and is a contributing factor to a healthy sympathetic nervous system. Your sympathetic nervous system regulates your “Flight-or-Fight” response and how your body reacts to stress. 

Peripheral Elasticity is a measure of the elasticity of the peripheral veins. Opposite of arterial elasticity, peripheral elasticity reflects your parasympathetic nervous system and regulates how quickly your body can return to a resting state.

Disclaimer: The content and information in this report were generated using Biostrap ( /, which uses a wrist-worn pulse oximeter to capture and analyze raw PPG waveforms. All terms of use of the Biostrap app also apply to the information and data included in this report. Neither we nor any third party provides any warranty or guarantee as to the accuracy, completeness or suitability of the information and data in the report for any particular use, especially not for any medical or diagnostic purposes. You acknowledge that such information and data may contain inaccuracies or errors, and we expressly exclude liability for any such inaccuracies or errors to the fullest extent permitted by law. Your use of any information or data in this report is entirely at your own risk, for which we shall not be liable.

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