Erschienen in:
27.01.2023 | Letter to the Editor
Is there a relationship between hypocapnia and tachycardia in postural orthostatic tachycardia syndrome (POTS)? A systematic review
verfasst von:
Shaun I. Ranada, Lucy Y. Lei, Jacquie Baker, Richard Wilson, Aaron A. Phillips, Robert S. Sheldon, Satish R. Raj
Erschienen in:
Clinical Autonomic Research
|
Ausgabe 2/2023
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Excerpt
Postural orthostatic tachycardia syndrome (POTS) is a chronic disorder of orthostatic intolerance, defined as an excessive and sustained increase in heart rate (HR) ≥ 30 bpm within 10 min of standing or head-up tilt (HUT), in the absence of orthostatic hypotension [
1]. POTS patients experience frequent, chronic (≥ 3 months), and debilitating symptoms, including light-headedness, cognitive impairment, and fatigue. [
1]. Upon standing, many patients can experience mild hyperventilation in the form of hyperpnea [
2,
3]. As a result, patients exhale greater amounts of carbon dioxide (CO
2) resulting in low arterial CO
2 (hypocapnia) [
2]. …