Pulse Wave Profiler (PWP)

pulse-wave-profilerThe Pulse Wave Profiler helps the doctor to determine your overall ability to adapt to stress. It does this by looking at the timing of your pulse, and determining the balance and tone of your nervous system. This exam is known as heart rate variability. Proper balance and tone are associated with better adaptability and a healthy lifestyle. Low heart rate variability is associated with aging and poor heart health. Published research has shown that chiropractic adjustments have a beneficial effect on heart rate variability.

The Insight PWP allows you to monitor the autonomic nervous system in new ways by collecting Heart Rate Variability (HRV) data. This is a unique, extremely exciting, and powerful tool for the chiropractor. Heart Rate Variability is the beat-to-beat variation in heart rate. This natural rise and fall of heart rate is caused by several physiologic phenomena, including breathing and autonomic nervous system activity. Healthcare professionals utilize HRV for a wide variety of clinical applications. Chiropractors use HRV to get a window into how the autonomic nervous system (ANS) modulates heart rate in the baseline or resting state. Published research has demonstrated that chiropractic adjustments have favorable effects on HRV parameters. For the first time, instead of measuring parameters on or around the spine, we are able to directly measure the effect of chiropractic care on the function of a vital organ. This significant “proof point” catalyzes a patient’s understanding of the whole body health benefits of chiropractic care.


What information is Gathered During the PWP Scan?
Frequency Domain Analysis – This view is very useful for client education and for interpreting the results of the HRV analysis. It shows parasympathetic vs. sympathetic response in the autonomic nervous system. In a balanced system both branches of the ANS are in the normal range, as shown by the location of the green square in the center box. The section in which the square appears indicates whether the system is balanced or whether one response is dominant for a particular client.

The Instantaneous Heart Rate (IHR) – This view shows the actual heart rate over the entire data collection period. As you can see from this graph, the average heart rate over this period is around 67, but the actual values range from less than 55 to over 85 – this variability is exactly what we are measuring with this protocol. The blue line at the bottom indicates the SCR (Skin Conductance Response) values. In this scan, the SCR remains under the black line (threshold), indicating that there was no unexpected “spike” in nervous system arousal.
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