Open AccessMechanism of 'inappropriate' sinus tachycardia. Role of sympathovagal balance.
Author(s) -
Carlos A. Morillo,
George J. Klein,
Ranjan K. Thakur,
Huai Li,
Marco Zardini,
Raymond Yee
Publication year - 1994
Publication title -
circulation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 7.795
H-Index - 607
eISSN - 1524-4539
pISSN - 0009-7322
DOI - 10.1161/01.cir.90.2.873
Subject(s) - medicine , supine position , tachycardia , heart rate , cardiology , chronotropic , anesthesia , metoprolol , sick sinus syndrome , blood pressure
"Inappropriate" sinus tachycardia (IST) is an uncommon and poorly defined atrial tachycardia characterized by inappropriate tachycardia and exaggerated acceleration of heart rate with "normal" P wave. The mechanism of this tachycardia is unknown. The purpose of the present study was to determine the role of autonomic balance in the genesis of IST.
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