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Electrophysiological Abnormalities of the Atrial Muscle in Patients with Paroxysmal Atrial Fibrillation Associated with Hyperthyroidism by Norihiro Komiya; Shojiro Isomoto; Kojiro Nakao; Motonobu Hayano; Katsusuke Yano is a Medicine article available to read on EtoBox.

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## Summary **objective** Atrial fibrillation (AF) is common in patients with hyperthyroidism. Although the choice of an antiarrhythmic agent should be based on its electrophysiological effects and the electrophysiological properties of the arrhythmia in question, the atrial electrophysiological features of AF associated with hyperthyroidism are unknown. The purposes of this study are to clarify the atrial electrophysiological abnormalities of AF with hyperthyroidism, and to propose effective therapies for AF in patients with hyperthyroidism. **subjects and design** This study included 117 patients who underwent electrophysiological study and were evaluated for thyroid function: 29 patients without AF or hyperthyroidism (Group I), 78 patients with lone paroxysmal AF (Group II), and 10 patients with paroxysmal AF and hyperthyroidism (Group III). The following electrophysiological parameters were assessed and measured quantitatively: (1) the incidence of abnormal right atrial electrograms during sinus rhythm, indicating areas of altered anatomy and conduction where AF is likely to develop; (2) the atrial effective refractory period (ERP); and (3) the atrial conduction delay (CD), whic

Who reads Electrophysiological Abnormalities of the Atrial Muscle in Patients with Paroxysmal Atrial Fibrillation Associated with Hyperthyroidism?

Author

Norihiro Komiya; Shojiro Isomoto; Kojiro Nakao; Motonobu Hayano; Katsusuke Yano

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; Research Square (ISSN 0300-0664)

Published

2002

Language

EN

Field

Medicine (Health Sciences)