Advanced atrioventricular block induced by obstructive sleep apnea before oxygen desaturation

Springer Science and Business Media LLC - 2009
Ken-ichi Maeno1, Atsunobu Kasai1, Morimichi Setsuda1, Atsushi Nishiyama2, Shigetoshi Sakabe1, Takahiro Ohnishi1, Kimimasa Saito3, Hideo Nishikawa4
1Division of Cardiology, Yamada Red Cross Hospital, Mie, Japan
2Nishiyama Clinic, Mie, Japan
3Mie Sleep Clinic, Mie, Japan
4Department of Cardiology, Mie Heart Center, Mie, Japan

Tóm tắt

We report a patient with transient advanced atrioventricular (AV) block induced by obstructive sleep apnea (OSA). This 54-year-old man was diagnosed as having severe OSA and AV block with ventricular asystole for more than 6 s during overnight polysomnography, which occurred just from the onset of OSA before oxygen desaturation had occurred. An electrophysiological study revealed normal AV conduction system function and normal His-Purkinje system function. The resolution of OSA with continuous positive airway pressure therapy improved the advanced AV block. Therefore, the bradyarrhythmia was determined to be an OSA-induced AV block that occurred before oxygen desaturation.

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Tài liệu tham khảo

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