A Deep-Dive into Heart Rate Variability

Heart Rate Variability scanning is one of the key pillars in understanding how your patient’s spine interacts with your nervous system. Get an introduction to what HRV scanning is, see how to perform HRV scans and interpret the results, and learn how it fits into and supports the story of chiropractic in this introductory guide with Dr. David Fletcher. Watch the full video below.

See below for the highlight reel with the timeline.

00:00:30 Salutogenesis: 

  • What adaptability is and how it fits into the salutogenic model.
  • The difference between pathogenic and salutogenic.
  • Why chiropractic is inherently a salutogenic practice, and why it’s crucial for chiropractors to understand how it works.

00:03:40 Function vs. Feeling:

  • How the body works in unison to lead a person’s salutogenic state of being.
  • What the core of HRV scanning stands on, and why it so useful to understanding how the nervous system functions.
  • An overview of the Function vs. Feeling concept and what each of the portions mean.

00:05:00 Balance of the Autonomic Nervous System:

  • Difference between the sympathetic and parasympathetic nervous systems.
  • How each reacts to chiropractic care and how each influences the body when approached through the medical sense.
  • Concepts of stress resources and reserve energy, and how they work with adaptability.

00:08:09 Applying the ANS Concepts:

  • Using the “Foot on the gas pedal” metaphor to approach subluxations and their effect on the nervous system.
  • Using the concept of RED PET in your chiropractic office.

00:12:03 Introduction to the Pulse Wave Profiler:

  • Looking at what the PWP does, how it works, and how it examines the autonomic nervous system.

00:17:00 The Science of the PWP:

  • Looking at what kind of data the PWP collects and why it’s so effective.
  • Why the collection time has been trimmed down to 3 minutes instead of the usual 5.

00:17:00 The Science of the PWP:

  • Looking at what kind of data the PWP collects and why it’s so effective.

00:24:38 PWP Scan Interpretation:

  • An overview of the various scan graphs, what they mean, and how to use them to talk about the real life symptoms and effects patients will be experiencing.

00:30:10 PWP Scan Interpretation:

  • An in-depth look into the four-quadrant graph and how to interpret it.

00:40:42 John Zhang, M.D., Ph.D. Research Study:

  • A summary of one of the most interesting early HRV studies done and what it meant for chiropractic.

00:44:38 Yuri Gidron Research Study:

  • A summary of a study that shows how salutogenesis can interact with the pathogenic model and why it can be beneficial for both schools of thought.

00:45:58 Fox Case Study:

  • Dr. David Fletcher interpreting a sample set of scans sent in by a chiropractor.

00:57:21 How to Raise Patient HRV Scores:

  • The three T’s: Thoughts, Traumas, and Toxins
  • Some suggestions on what patients can do to keep their reserves intact throughout the day.

01:00:10 Conclusion: 

  • A summary of what was talked about throughout the video.

For more videos like this, visit our YouTube Channel.


About The Author

Lisa Marie Vasquez

Dr. David Fletcher

DC, FRCCSS (C) – President & CEO

David is a renowned chiropractor who practiced in Toronto for many years. He and his associates had a thriving, cash-based family practice that served hundreds of patients weekly.

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