Your Racing Heart, Dizziness, and Temperature Swings Aren’t Anxiety. They’re Dysautonomia.
Free overview guide covering what dysautonomia is, how COVID damages the autonomic nervous system, and a self-check for autonomic dysfunction.
Dr. Robert Groysman, MD
Long COVID Specialist • Author, Complete Long COVID Handbook
“I’ve spent five years treating Long COVID patients and watching dysautonomia get missed by specialist after specialist. I wrote this guide so patients can finally see the pattern their doctors are overlooking.”
- How the autonomic nervous system works and breaks down after COVID
- 10-item self-check for autonomic dysfunction
- Testing options and treatment approaches
Download Your Free Dysautonomia Overview Guide
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“Just ordered the book. Have had dysautonomia longer than Long COVID but it’s been worse since COVID 5 years ago. On a beta blocker finally but that’s it.”
Kathy P.S.
What You’ll Learn
Each topic is covered in clear, non-technical language you can share with your provider.
- How the autonomic nervous system works and what happens when it breaks down after COVID
- The biological pathways through which SARS-CoV-2 damages autonomic nerve fibers, including the vagus nerve
- Why symptoms spanning multiple organ systems (heart, gut, temperature, sleep) often trace back to one dysregulated system
- A 10-item self-check to identify whether autonomic dysfunction may be contributing to your symptoms
- Why standard cardiac, GI, and neurological workups come back “normal” when the real problem is autonomic
- What comes next: testing options, treatment approaches, and how to move from validation to clinical evaluation
What’s Inside This Guide
Six sections that build on each other, from biology to action plan.
It’s Not Anxiety
Why your symptoms have a name, a biological basis, and a measurable pattern. What dysautonomia actually means and why it is one of the most common mechanisms in Long COVID.
How the Autonomic Nervous System Works
The sympathetic and parasympathetic branches, how they balance each other, and the role of the vagus nerve as the primary parasympathetic highway.
How COVID Disrupts It
Direct nerve damage, autoantibody interference, and chronic inflammation. Three overlapping pathways that explain why your body lost its ability to self-regulate.
The Symptoms That Connect
Heart rate instability, temperature swings, GI dysfunction, sleep disruption, exercise intolerance, and cognitive symptoms. Not separate conditions. One dysregulated system.
Quick Self-Check
A 10-item checklist to help you identify whether autonomic dysfunction may be part of your clinical picture. Not a diagnostic tool, but a starting point for a more informed conversation with your provider.
What Comes Next
Testing options (tilt-table, HRV, COMPASS 31, autonomic function studies), treatment approaches, and why dysautonomia in Long COVID rarely exists alone.
Dysautonomia is one of the most common mechanisms I see in Long COVID patients, and one of the most frequently missed. When the autonomic nervous system stops regulating heart rate, blood pressure, digestion, and temperature properly, patients end up seeing four or five specialists, none of whom can explain the full picture. This guide connects those dots.”
Dr. Robert Groysman, MD Long COVID Specialist
- Treating Long COVID patients for over 5 years
- Author, The Complete Long COVID Handbook (7-volume series)
- Diplomate, American Board of Anesthesiology and American Board of Pain Medicine
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Medical Disclaimer: This guide is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. The self-check included in this guide is not a diagnostic tool. Always consult with a qualified healthcare provider before making any changes to your treatment plan. The information provided is based on current research and clinical experience but should not replace professional medical consultation.