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Symptoms that change with standing — heart rate that climbs sharply, light-headedness, fatigue that comes in waves, cognition that thins out — can raise clinical questions about how the autonomic system is regulating circulation under gravity. These changes do not confirm a diagnosis from a page. They raise a question that needs assessment.
POTS is one pattern those questions can sit inside. Heart rate may climb more than expected when the person stands, even when blood pressure is preserved, because the system is working harder to push blood back up against gravity. The reasons that work is harder vary. Blood volume may be low. Small autonomic nerves may not be regulating vessel tone the way they usually do. The system may be running in a high-adrenergic state. These are clinically different sub-patterns, and the same standing test can sit inside any of them.
The dysautonomia pathway is for people whose symptoms change with posture, food, heat, exertion or recovery, and who need a clinical assessment that can tell those sub-patterns apart and connect the answer to the rest of their care.
A 90-minute consultation maps how symptoms move with position, with what triggers them, and with what changes them. Heart rate and blood pressure are tracked through a structured NASA Lean test protocol, alongside validated symptom tools. The aim is a clear baseline picture, not a label.
POTS does not present the same way in every body. The assessment looks at what may be driving the pattern in this person: low blood volume, signs of small-fibre involvement, signs of high adrenergic state, possible mast-cell activity, possible post-viral context, possible overlap with connective tissue. Where relevant, further investigation is recommended. The point is to know which clinical question is actually being answered.
The clinical plan is built with the rest of the patient's biio. team — care coordinator, exercise physiology, integrative medicine, psychology where relevant. Lifestyle structures, fluid and electrolyte strategy, graduated exercise, and medication when clinically indicated all sit inside one plan rather than scattered across separate practitioners.
Each intervention has a reason and a review point. If a strategy is not doing what the reasoning predicted, that becomes visible inside a few weeks, not six months later.
Follow-up consultations track function — what the person can now do that they could not before, what costs less than it used to. Heart-rate variability and symptom scales support that picture but do not replace it. The record holds it across appointments.
As the work goes on, the day-to-day structure moves from being managed to being recognised. The patient develops a working sense of their own triggers, their own warning signs, and what helps. Clinical contact continues, but it is in the background of a life the patient can plan.
When the work is going well, the day starts to become more predictable. Standing costs less than it did. Mornings are less defended. Cognition holds for longer before it thins. Symptoms may still be present — POTS does not always remit — but they become something the person can control rather than something the day is shaped by.
The clinical picture also becomes clearer to other clinicians. A primary-care doctor, an ED clinician, a specialist seeing the patient for an unrelated reason can read the record and see what has already been assessed, what has already been tried, and what the current strategy is.
The patient is not the only connection between the different parts of their care.