- POTS — a heart-rate jump of 30+ bpm on standing — is a common form of dysautonomia after COVID, disproportionately affecting young women.
- It reflects a nervous system that has lost its normal flexibility, producing palpitations, lightheadedness, and debilitating fatigue.
- HRV biofeedback targets autonomic regulation directly and requires no physical exertion — valuable when post-exertional malaise limits exercise.
- It complements medical management (fluids, salt, compression, and medications when needed); it is a tool, not a stand-alone cure.
Stand up, and your heart takes off. The room tilts. A wave of fatigue follows that no amount of rest seems to fix. For a growing number of people — many of them young, and many after a COVID infection — this is daily life with POTS, postural orthostatic tachycardia syndrome. It is real, it is measurable, and it responds to a nervous-system it is often not offered: retraining.
What POTS actually is
POTS is a form of dysautonomia — dysfunction of the autonomic nervous system, the automatic controller of heart rate, blood pressure, and circulation. Its signature is a sustained heart-rate increase of at least 30 beats per minute within ten minutes of standing, without a major blood-pressure drop, accompanied by symptoms like palpitations, lightheadedness, chest discomfort, and debilitating fatigue. Systematic reviews of post-COVID POTS describe it affecting mostly young adults, disproportionately women, often after even mild infections.
Underneath the symptoms is a nervous system that has lost its normal flexibility — stuck in patterns of over- and under-activation rather than smoothly matching output to demand.
Why standing is so hard
When a healthy person stands, the autonomic nervous system instantly tightens blood vessels and modestly adjusts heart rate to keep blood flowing to the brain against gravity. In POTS, that reflex is dysregulated: the body over-compensates with a racing heart, and blood pooling and poor regulation leave the brain under-supplied. The result is the lightheadedness and "brain drain" that make upright life exhausting. Because exertion can trigger post-exertional crashes in post-COVID patients, the usual advice to simply "exercise more" often backfires.
Where HRV biofeedback fits
This is exactly the problem heart rate variability (HRV) biofeedback is built for. HRV — the variation between heartbeats — is a direct readout of autonomic balance, and it is trainable. By practicing slow, paced breathing (around six breaths per minute) while watching your heart rhythm respond in real time, you strengthen the vagal "brake" and rebuild autonomic flexibility. A meta-analysis found HRV biofeedback reduces stress and anxiety, and in dysautonomia its appeal is specific: it targets the autonomic nervous system directly, and it asks nothing of your physical energy reserves — a crucial advantage when exertion causes crashes.
Part of a plan, not the whole plan
Honesty matters here. HRV biofeedback is a tool, not a cure-all, and it works best inside comprehensive care. Standard POTS management includes generous fluids and salt, compression garments, careful graded reconditioning, and medications like beta-blockers or others when appropriate — reviews find non-drug measures alone are often insufficient, while symptoms tend to improve with a combined approach. HRV biofeedback adds a non-drug way to retrain the underlying regulation.
If your heart races when you stand and you have been told it is "just anxiety," it may be worth a real autonomic evaluation. Dysautonomia is treatable — and part of the treatment is teaching a dysregulated nervous system how to find its balance again.
In practice: why this matters
Post-COVID POTS has swelled the number of mostly young people living with a poorly recognized, often disabling autonomic condition. Because it is frequently missed or dismissed, patients wait months for answers. Wider awareness of dysautonomia — and of accessible, low-risk tools like HRV biofeedback alongside standard care — could shorten that diagnostic odyssey and return function to a large, underserved group.
Frequently asked questions
How is POTS diagnosed?
POTS is generally identified by a sustained heart-rate increase of at least 30 beats per minute (40 in adolescents) within ten minutes of standing, without a large drop in blood pressure, along with symptoms like lightheadedness, palpitations, and fatigue. A stand test or tilt-table test measures this. A clinician should evaluate to rule out other causes.
Can biofeedback replace my POTS medication?
No — it complements medical care rather than replacing it. Standard management includes fluids, increased salt, compression garments, graded reconditioning, and medications when appropriate. HRV biofeedback is a non-drug tool that helps retrain autonomic regulation alongside those measures. Never change medications without your clinician.
References
- Abbate G, De Iulio B, et al. Postural Orthostatic Tachycardia Syndrome After COVID-19: A Systematic Review of Therapeutic Interventions. Journal of Cardiovascular Pharmacology. 2023;82(1):23–31. doi:10.1097/FJC.0000000000001432
- Goessl VC, Curtiss JE, Hofmann SG. The effect of heart rate variability biofeedback training on stress and anxiety: a meta-analysis. Psychological Medicine. 2017;47(15):2578–2586. doi:10.1017/S0033291717001003
Peer-reviewed sources located via PubMed and cited for education. Citations reflect published research at time of writing.
Dr. Andrew Simon, ND, BCB
Licensed naturopathic physician and board-certified biofeedback practitioner in Seattle. Clinic Director of Rebel Med NW, adjunct clinical faculty at Bastyr University, six-time Seattle Met Top Doctor, and the naturopathic advisor to Washington State on Long COVID. Read full bio →
This article is for educational purposes and is not a substitute for individualized medical care. Talk with a qualified clinician about your specific situation.