AV Nodal Reentrant Tachycardia with a Bystander Mahaim Fiber
スポンサーリンク
概要
- 論文の詳細を見る
A 13 year old boy had a wide QRS complex tachycardia. A discontinuity in the AV nodal functional curve was observed in the electrophysiologic study. The AV interval was prolonged in association with progressive ventricular preexcitation. At maximal preexcitation, the HV interval was -20msec and the QRS complex was identical to that seen during clinical tachycardia. No VA conduction was found and atrial premature beats did not affect the tachycardia. The His deflection was found at variable timing when tachycardia was induced. These findings confirmed that tachycardia originated within the AV node and was conducted to the ventricle over the Mahaim fiber. The short effective period of the Mahaim fiber had clinical significance since when atrial fibrillation developed, a rapid ventricular response was observed.
- International Heart Journal刊行会の論文
著者
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Chinushi Masaomi
First Department Of Internal Medicine Niigata University School Of Medicine
-
Shibata Akira
First Department Of Internal Medicine Niigata University Niigata Case Western Reserve University
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Aizawa Yoshifusa
First Department Of Internal Medicine Niigata Universaity School Of Medicine
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Suzuki Kaoru
First Department Of Internal Medicine Niigata University School Of Medicine
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AIZAWA Yoshifusa
First Department of Internal Medecine, Niigata University School of Medicine, Niigata, Japan.
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