Understanding the condition
A medical explanation written for patients, caregivers, and anyone trying to understand what's happening in the body when someone stands up.
This page is being finalized for review. The complete article covers: the autonomic nervous system and what POTS does to it; the diagnostic criteria (the 30-bpm rule and the 10-minute window); the major subtypes — hyperadrenergic, neuropathic, hypovolemic; common symptoms beyond heart rate; why POTS is a syndrome, not a single disease; and the research on prevalence, onset, and natural course.
Expected publication: end of this week.
In the meantime, our diagnosis guide covers the practical question most readers arrive with: how does POTS get diagnosed, and why does it take so long?