Tachycardia and Bradycardia Coexisting in the Same Pulmonary Vein | Zendy

ORAL HAKAN | Zendy; KNIGHT BRADLEY P. | Zendy; TADA HIROSHI | Zendy; MORADY FRED | Zendy

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Tachycardia and Bradycardia Coexisting in the Same Pulmonary Vein

Author(s) -

ORAL HAKAN,

KNIGHT BRADLEY P.,

TADA HIROSHI,

MORADY FRED

Publication year - 2002

Publication title -

journal of cardiovascular electrophysiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.193

H-Index - 138

eISSN - 1540-8167

pISSN - 1045-3873

DOI - 10.1046/j.1540-8167.2002.00186.x

Subject(s) - medicine , pulmonary vein , bradycardia , cardiology , sinus rhythm , tachycardia , atrial fibrillation , sinus bradycardia , rhythm , anesthesia , heart rate , blood pressure

Dissociated Pulmonary Vein Rhythms. During segmental isolation of the pulmonary veins (PVs) in a patient with paroxysmal atrial fibrillation, there was a PV bradycardia that was dissociated from the left atrium in a segment of the right superior PV, whereas the remaining segments showed passive activation of a PV fascicle during sinus rhythm. Rapid atrial pacing induced a PV tachycardia in the nonisolated fascicles, and the dissociated PV bradycardia persisted in a segment of the same PV. These observations indicate that PV fascicles are insulated from each other and that a dissociated PV rhythm does not necessarily indicate complete isolation of a PV.

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