Ventricular Fibrillation Induced by Coronary Vasospasm in a Patient with Early Repolarization and Hyperthyroidism

Vasospastic angina (VSA) has been recognized as a cause of ventricular fibrillation (VF) degenerating into sudden cardiac death. We experienced a case of VSA with hyperthyroidism in which VF was provoked with an augmented J-wave amplitude in the inferior leads. The patient underwent insertion of an...

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Bibliographic Details
Published in:Internal Medicine 2018/12/01, Vol.57(23), pp.3389-3392
Main Authors: Iiya, Munehiro, Yamawake, Noriyoshi, Nishizaki, Mitsuhiro, Shimizu, Masato, Fujii, Hiroyuki, Suzuki, Makoto, Sakurada, Harumizu, Hiraoka, Masayasu
Format: Article
Language:English
Subjects:
Angina
Arrhythmia
Cardiac arrhythmia
Cardiovascular diseases
Case Report
Defibrillators
early repolarization
Electrocardiography
Fibrillation
Hyperthyroidism
Internal medicine
Vasoconstriction
vasospastic angina
Ventricle
ventricular fibrillation
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Summary:Vasospastic angina (VSA) has been recognized as a cause of ventricular fibrillation (VF) degenerating into sudden cardiac death. We experienced a case of VSA with hyperthyroidism in which VF was provoked with an augmented J-wave amplitude in the inferior leads. The patient underwent insertion of an implantable cardioverter-defibrillator for the secondary prevention of VF in addition to taking Ca-channel antagonists. He has shown no recurrence of fatal arrhythmia or anginal attack for a follow-up period of one year.
ISSN:0918-2918
1349-7235
DOI:10.2169/internalmedicine.1104-18