Abstract:
:A 77-year-old man was diagnosed as having hypothyroidism. An electrocardiogram obtained at the time of the first examination revealed Brugada electrocardiographic waveforms in leads V1 to V3. When pilsicainide hydrochloride loading changed the waveforms of the electrocardiographic ST segment, this result suggested an abnormality of the cardiac muscle sodium channels. The Brugada electrocardiographic waveforms disappeared with the normalization of thyroid function. This case is the first report ever of hypothyroidism that presented Brugada electrocardiographic waveforms. The results obtained in this case suggested that thyroid functions changed the waveforms of the electrocardiogram because of its effect on myocardial ion channels.
journal_name
Endocr Jjournal_title
Endocrine journalauthors
Kitahara A,Hirai R,Matsui Y,Ikeda Y,Nakamura Hdoi
10.1507/endocrj.k07e-024subject
Has Abstractpub_date
2008-07-01 00:00:00pages
589-94issue
3eissn
0918-8959issn
1348-4540pii
JST.JSTAGE/endocrj/K07E-024journal_volume
55pub_type
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