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heart palpitations heart rate vagus nerve

Heart Palpitations Decoded: Vagal Tone, Catecholamines, and What That Skipped Beat Means

Most palpitations are benign — but they always mean something. Decoding them requires knowing whether you are looking at sympathetic surge, vagally-mediated ectopy, or anxiety amplification of normal sensation.

By UltraSkool Research Team May 10, 2026

cardiovascular heart rate dysautonomia

POTS, High Pulse, and Dizziness: A Bioenergetic Lens on Dysautonomia

Postural orthostatic tachycardia is more than an autonomic miswiring. It is, in many patients, a downstream signal of impaired cellular energy production.

By UltraSkool Research Team May 7, 2026