Cited by 182Cardiac Arrhythmias and TreatmentsCardiovascular Syncope and Autonomic DisordersCardiac electrophysiology and arrhythmias

Inappropriate sinus tachycardia

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Olshansky, Brian, Sullivan, Renee M.·2013·Journal of the American College of Cardiology

Abstract

Inappropriate sinus tachycardia (IST) is a syndrome in which the sinus heart rate is inexplicably faster than expected and associated symptoms are present. The heart rate at rest, even in a supine position, can exceed 100 beats/min; minimal activity accelerates the rate rapidly and substantially. Patients with IST may require restriction from physical activity. Mechanisms responsible for IST are understood incompletely. It is important to distinguish IST from so-called appropriate sinus tachycardia and from postural orthostatic tachycardia syndrome, with which overlap may occur. Because the long-term outcome seems to be benign, treatment may be unnecessary or may be as simple as physical training. However, for patients with intolerable symptoms, therapeutic measures are warranted. Even at high doses, β-adrenergic blockers, the first-line therapy, often are ineffective; the same is true for most other medical therapies. In rare instances, catheter- or surgically- based right atrial or sinus node modification may be helpful, but even this is fraught with limited efficacy and potential complications. Overtreatment, in an attempt to reduce symptoms, can be difficult to avoid, but is discouraged.

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Crossref · 10.1016/j.jacc.2012.07.074

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Research works printed but not linked: 2

  1. [24]24. Cheng Z, Powley TL, Schwaber JS, Doyle FJ 3rd. Vagal afferent innervation of the atria of the rat heart reconstructed with confocal microscopy. J Comp Neurol 1997;381:1-17.
  2. [55]55. Krahn AD, Yee R, Klein GJ, Morillo C. Inappropriate sinus tachy- cardia: evaluation and therapy. J Cardiovasc Electrophysiol 1995;6: 1124 -8.

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Authors
Olshansky, B., & Sullivan, R. M.
Affiliations
  • University of Iowa (US)
  • University of Missouri (US)
Corresponding author
Olshansky, Brian
Venue
Journal of the American College of Cardiology
Publisher
Elsevier BV
Published
2013-02
Volume
61
Issue
8
Pages
793-801
ISSN
0735-1097 (ISSN-L)
OpenAlex
W2037333435
Cited by
182
References
80
Citations by year
2026: 5 · 2025: 8 · 2024: 12 · 2023: 7 · 2022: 17 · 2021: 21 · 2020: 14 · 2019: 20 · 2018: 9 · 2017: 13 · 2016: 14 · 2015: 21 · 2014: 11 · 2013: 8 · 2012: 1
FWCI
2.16
Type
journal article
Language
en
Open access
Locations
  • Journal of the American College of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
U.S. Department of Veterans Affairs
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Surgery › Cardiovascular Syncope and Autonomic Disorders
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
inappropriate sinus tachycardia, sinus tachycardia, postural orthostatic tachycardia syndrome, exercise training, beta-blockers, catheter ablation, overtreatment, symptom management
MeSH terms
Adrenergic beta-Antagonists, Biological Clocks, Depression, Chemical, Electrocardiography, Heart Rate, Humans, Sinoatrial Node, Tachycardia, Sinus, Vagus Nerve, Catheter Ablation, Neurotransmitter Agents, Disease Management, Electrophysiologic Techniques, Cardiac

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